UNSOLVED HOMICIDE: ALICIA HUMMEL

When an Iowa woman ventures out to spend a summer afternoon unwinding on the banks of a South Dakotan river, she’s ambushed by an opportunistic predator. Investigators believe they’re facing the rarest type of murder—a true stranger killing—in this episode of Last Seen Alive.

Sources used to research this episode:

Timeline: A Walk Through Alicia Hummel’s Final Day (Jacob Newton / Siouxland Proud)

Obituary: Alicia M. Hummel (Christy-Smith Funeral Homes)

They Discovered This Preschool Teacher’s Body Floating in the Missouri River. Yet the Case is Far From Cold. (Trisha Taurinskas / Sioux Falls Live)

She Died Fishing on a Summer Day. Three Years Later, Police Still Don’t Know Who Killed Her. (Danielle Ferguson / Argus Leader)

Murder at Myron Grove (Angela Kennecke / KELO News)

Who Killed Alicia? (Garrett Looker / The Sioux City Journal)

Hummel: Death Investigated as Homicide (The Sioux City Journal)

South Dakota Authorities Seek Answers in Unsolved 2015 Death (Danielle Ferguson / Associated Press)

If you know anything about the death of Alicia Hummel, please contact the Clay County Sheriff’s Office at 605-677-7100.

UNSOLVED HOMICIDE: SARAH SAGANITSO

When an Arizona woman fails to return home from her late-night shift at the hospital where she works, her family and friends launch a search and locate her battered body. Her accused killer raises one of the most outrageous defenses ever entertained in criminal court in this episode of Last Seen Alive.

Sources used to research this episode:

Out There: Crimes of the Paranormal, Episode 6 (Hulu)

Hospital Employee Murdered (Mary Tolan / Arizona Daily Sun via newspapers.com)

Obituary: Sarah L. Saganitso (Arizona Daily Sun via newspapers.com)

Body of Stabbed, Beaten Flagstaff Hospital Worker Found (Mark Shaffer / The Arizona Republic via newspapers.com)

Suffocation Caused Death (Arizona Daily Sun via newspapers.com)

Versions Conflict in Suspect’s Murder Story (Steve Ryan / Arizona Daily Sun via newspapers.com)

Police Arrest Suspect in June Murder (Ted Bartimus / Arizona Daily Sun via newspapers.com)

Videos Show Murder Suspect Interrogation (Steve Ryan / Arizona Daily Sun via newspapers.com)

Attorneys Argue Whether Wound from Bite, Knife (Arizona Daily Sun via newspapers.com)

Judge Gives Probe Data to Abney Counsel (Ted Bartimus / Arizona Daily Sun via newspapers.com)

Pastor Tells of Member’s Killing Dream (Arizona Daily Star via newspapers.com)

Mystery Suspect Surfaces (Ted Bartimus / Arizona Sun via newspapers.com)

Defendant is Acquitted of Murder (AP / The Arizona Republic via newspapers.com)

Videos Show Murder Suspect Interrogation (Steve Ryan / Arizona Daily Sun via newspapers.com)

Death Clues, Navajo Witchcraft Linked by Prof at Murder Trial (Mark Shaffer / The Arizona Republic via newspapers.com)

Experts Say Bitemark as Good as a Fingerprint (Steve Ryan / Arizona Daily Sun via newspapers.com)

Skinwalker (Mythology) (EBSCO)

If you know anything about the death of Sarah Saganitso, please contact the Flagstaff Police Department at 928-774-1414.

UNSOLVED DISAPPEARANCE: DR MARI ANN FOWLER

When a Baton Rouge woman is abducted from a parking lot, an active serial killer is a major suspect. The mystery surrounding her disappearance persists even after the serial predator is identified and captured in this episode of Last Seen Alive

Sources used to research this episode:

Serial Killer’s Strike in Lafayette Makes Woman Wary Again in Baton Rouge (The Daily Advertiser via Newspapers.com)

STATE v. FOSTER | 2003 (Court of Appeal of Louisiana, First Circuit)

Search for Mari Ann Fowler Enters Third Day (WAFB9 News)

Jerry Fowler Abused the Public’s Trust (The Courier)

Vote Official Faces Trial in Louisiana (Associated Press)

Factual Basis, Plea Agreement in Fowler Case (United States of America versus Jerry M. Fowler / United States District Court Middle District of Louisiana)

Former Louisiana Elections Commissioner Dies of Apparent Heart Attack (WAFB News)

Jerry Fowler Obituary, 2009, Baton Rouge, LA (legacy.com)

Fowler’s Furlough Possible During Search for Wife (The Daily Review)

Fowler Memorial Service Scheduled (John Hill / The Town Talk)

Police Still Searching for Mari Ann Fowler (Associated Press via newspapers.com)

Search for Fowler’s Wife is Called Off (Associated Press via newspapers.com)

Surveillance Tape May Help Fowler Case (Associated Press via newspapers.com)

Serial killer linked to Fowler? (Associated Press via newspapers.com)

No Breaks Since Fowler Abducted in 2002 (Associated Press via newspapers.com)

DNA Tests Come Up Empty in Case of Mari Ann Fowler (WAFB9 News)

Fowler’s Son Allowed to Handle Her Business (Associated Press via newspapers.com)

Memorial Services Held for Mari Ann Fowler (KSLA News 12)

A Death That is Bittersweet (Quinn Welsch / West Side Journal)

Derrick Todd Lee Dies Without Revealing What Happened to Mari Ann Fowler — West Baton Rouge investigators Say the Case of Her Disappearance Remains Open (David J. Mitchell / The Advocate)

Who Were the Victims of Derrick Todd Lee, the Baton Rouge Serial Killer? (Francisco Alvarado / A&E True Crime)

‘Eyelids Had Been Removed’: Serial Killer Strangled Women, Then Mutilated Them (Joe Dziemianowicz / Oxygen)

Derrick Todd Lee “The Baton Rouge Serial Killer” (Radford University Dept. of Psychiatry / Serial Killer Database)

Sean Vincent Gillis (Radford University Dept. of Psychiatry / Serial Killer Database)

The Mothers’ Crusade (Newsweek)

If you have any information about the disappearance of Dr Mari Ann Fowler, please call the West Baton Rouge Sheriff’s Office at 225-343-9234.

UNSOLVED HOMICIDE: LIA (EULALIA) CHAVEZ

When the body of a young woman is discovered in an Illinois cornfield, it takes decades for her to be identified. The investigation continues into the present as investigators seek out the person—likely a serial killer—responsible for her death in this episode of Last Seen Alive.

Sources used to research this episode:

Eulalia “Lolly” Chavez – Lebanon, Illinois (FBI)

Unsolved 1986 Murder Could be Reopened (Palo Alto Weekly Staff / Palo Alto Online)

Summerfield’s Jane Doe is Identified: She’s Lolly (George Pawlaczyk and Beth Hundsdorfer / Belleville News Democrat via newspapers.com)

Daughter of ‘Jane Doe’ Learns About Her Mother (George Pawlaczyk and Beth Hundsdorfer / Belleville News Democrat via newspapers.com)

He says he’s a serial killer. Did he murder the Summerfield and Chester women? (George Pawlaczyk and Beth Hundsdorfer / Belleville News Democrat)

Who Killed ‘Summerfield Jane Doe’? DNA May Finally Provide the Answer (George Pawlaczyk and Beth Hundsdorfer / Belleville News Democrat)

DNA May Help Solve Local Jane Doe Case (George Pawlaczyk and Beth Hundsdorfer / Belleville News Democrat via newspapers.com)

DNA Testing Fails to Identify Killer of Summerfield ‘Jane Doe’ (George Pawlaczyk and Beth Hundsdorfer / Belleville News Democrat)

Victim’s Remains Given to Science (George Pawlaczyk / Belleville News Democrat)

Serial Killer: The Mechanism from Imagination to the Murder Phases (Nicola Malizia / Sociology Mind Journal)

Sexual Homicide: a Descriptive Analysis of Demographics, Behaviour, and Body Disposal in New Zealand (Oliver H.J. Ploeg et al. / Journal of Sexual Aggression)

Serial Murder: Pathways for Investigations (Robert J. Morton et al. / FBI Behavioral Analysis Unit)

Larry DeWayne Hall (Radford University Department of Psychology / Serial Killer Database)

42UFIL – Unidentified Female (The Doe Network)

Dale Anderson (Radford University Department of Psychology / Serial Killer Database)

People v. Anderson, 5-90-0361 (Appellate Court of Illinois Fifth District via v|lex)

07/28/1987 – REPORT #147 – VICTIM: KRISTINA MARIE POVOLISH – LOCATION: ST. CLAIR COUNTY, IL (Major Case Squad of Greater St. Louis)

Dale Anderson, in Prison for One of the Metro-East’s Most Notorious Murder Cases, Has Died (Mike Koziatek / Belleville News Democrat)

Teen’s Family Believes She Was Abducted (Patrick E. Gauen / St. Louis Post-Dispatch)

If you have any information on the murder of Eulalia (aka “Lia” or “Lolly”) Chavez, please contact the St. Clair County Sheriff’s Office at (618)825-5309.

UNSOLVED DISAPPEARANCE: VERONICA BLUMHORST

When a young Illinois woman finishes a late-night shift at work, she vanishes without a trace just steps from her home. Investigators are certain her disappearance was a result of foul play, but evidence and answers are hard to come by in this episode of Last Seen Alive

Sources used to research this episode:

Veronica Jill Blumhorst – Mendota, Illinois (FBI.gov)

Episode 218: Veronica Jill Blumhorst (The Vanished Podcast by Wondery)

Father Determined to Find Out What Happened to Missing Daughter Veronica Blumhorst (Kyani Reed / NBC News)

Luciano: Three Decades Later, What Happened to Veronica Blumhorst? (Phil Luciano / Peoria Journal Star)

Family Asks Psychics Help in Finding Daughter (Peggy Schneider / The Rock Island Argus via newspapers.com)

No ID Yet on Body Found in Cornfield (Pat Harrison / The Times Press via newspapers.com)

Body Remains Unidentified (Diane Buerger / The Times Press via newspapers.com)

Search Continues for Body (The Times Herald via newspapers.com)

Box with Bloody Clothes, Pipe Found Alongside Rural Roadway (Bob Helle / The Times Press via newspapers.com)

What Happened to Veronica Blumhorst? (Goldie Currie / Shaw Local News Network)

Luciano: Blumhorst Continues His Quest for His Sister (Phil Luciano / Peoria Journal)

The Veronica Blumhorst Case Part 4: ‘Murder’ and Old Beaus (Jim Haggerty / The Rock River Times via issue.com)

‘Someone Out There Knows What They Did’ (Tom Collins / News Tribune via newspapers.com)

Family Seeks Public’s Help (Phil Luciano / Herald and Review via newspapers.com)

Search for 6-Year-Old is Fruitless (Teresa Plemante / The Times Press)

Aggression after Traumatic Brain Injury: Prevalence & Correlates (Vani Rao et al. / J Neuropsychiatry Clin Neurosci)

People v. Rissley | 2003 (Supreme Court of Illinois via findlaw.com)

Spring Valley’s Anger Grows Over Girl’s Death (Matt Murray / Chicago Tribune)

Lt. Greg Kellen Sworn in as Mendota’s Police Chief (WGLC)

Greg Kellen to Retire June 14th As Mendota’s Police Chief (Tom Collins / News-Tribune)

Todd Jeffrey Blumhorst (findagrave.com)

Homicide Survivors Advocate Loses Battle with Cancer (Veronica M. Cruz / tucson.com)

If you have any information on the disappearance of Veronica Blumhorst, please call the FBI at 1-800-225-5324 OR submit at tip online at tips.fbi.gov.

UNSOLVED DOUBLE-HOMICIDE: BARBARA AND WILLIAM SINGER

When a Phoenix, Arizona couple is murdered in their own home, responding officers consider it one of the cruelest crimes they’ve ever investigated. Investigators search for the killer or killers of two beloved grandparents who’d devoted their lives to helping others in this episode of Last Seen Alive.

Sources used to research this episode:

Phoenix Couple’s Murder Puzzles Police Year Later (Megan Cassidy / AZ Central)

William (Bill) Sr. and Barbara J. Singer Obituary (legacy.com)

Arizona’s Most Wanted: Violent Murder of Phoenix Grandparents (Monique Grieglo / NBC 12 News)

Family of Phoenix Couple Found Slain Asks for Public’s Help (Sophia Kunthara / The Republic)

Phoenix Police Looking for Suspects in 2014 Double-Murder (KTAR News)

Video: Hot Desert, Cold Cases: William and Barbara Singer (Phoenix Police via YouTube)

911 Recording: Phoenix Homeowner Shoots Intruder (KSDK News)

Man Shot During Phoenix Home Invasion Sentenced to 1 Year (Agnel Phillip / The Republic)

The ‘Demons’ Who Killed Woman’s Friends Still at Large (EJ Montini / The Arizona Republic via newspapers.com)

Couple Found Dead in Home Were Murdered, Police Say (Corina Vanek and Catherine Calderon / The Arizona Republic via newspapers.com)

Uniforms (The Arizona Republic via newspapers.com)

Arizona Man Accused of Impersonating an Officer, Kidnapping 2 Women (KOLD News)

3 People Accused of Impersonating Police, Kidnapping and Robbing Pair Who Won $300 at Glendale Casino (Bianca Buono)

Gang Member Impersonated Cop to Rob and Terrorize Desert Diamond Casino Winners (Philip Conneller / casino.org)

Phoenix Woman Arrested in Desert Diamond Casino Kidnap Case (Philip Conneller / casino.org)

Home Invasion Robbery: Guide No. 12 (Arizona State University Center for Problem-Oriented Policing)

Judicial Branch of Arizona in Maricopa County (superiorcourt.maricopa.gov)

If you know anything about the deaths of Barbara and William Singer, please contact the Phoenix Police directly at 602-262-6151, or—if you wish to remain anonymous—call the Silent Witness tipline at 480-948-6377.

If your tip leads to the identification of the Singers’ killer or killers, you may be eligible for a cash reward of up to $5,000.

UNSOLVED HOMICIDE: PATRICIA JAURON

When an Iowa woman lists some furniture she no longer needs for sale, a calculating killer responds to her ad. All leads are exhausted by frustrated investigators and a case goes cold in this episode of Last Seen Alive.

Sources used to research this episode:

Police Investigate Woman’s Death (Michele Linck / Sioux City Journal via newspapers.com)

Woman’s Death Remains Under Investigation, but Leads Dry Up (Michele Linck / Sioux City Journal via newspapers.com)

Woman Stabbed Multiple Times, Autopsy Shows (Maggie O’Brien / The Des Moines Register via newspapers.com)

Investigation Continues Into Woman’s Slaying (Michele Linck / Sioux City Journal via newspapers.com)

Reward Offered for Information in Woman’s Death (Michele Linck / Sioux City Journal via newspapers.com)

Murder Case Analyzed to Get Profile of Killer (Michael Koehler / Sioux City Journal via newspapers.com)

Killing Near Sioux City Still Baffles Police (Maggie O’Brien / The Des Moines Register via newspapers.com)

Car Sought in Probe of Murder (Michele Link / Sioux City Journal via newspapers.com)

Officers Plan Review of ’98 Homicide Case (Julie Weeder / Sioux City Journal)

Who Is Serial Killer And ‘Classified Ad Rapist’ Bobby Joe Long? (Courtney Brogle / Oxygen)

‘You Got Me,’ Chicago Serial Killer Who Found Victims Through Classified Ads Admits To Police (Joe Dziemianowics / Oxygen)

Think Twice Before Answering That Ad: 101 Murders Have Been Linked to Craigslist (Caitlin Dewey / The Washington Post)

Obituary: Kathryn D. Cuthbert (Sioux City Journal)

Sets Date (Sioux City Journal)

Patricia Anne Jauron (IowaColdCases.org)

If you know anything about the death of Patricia Jauron, please contact the Woodbury County Sheriff’s Office at 712-279-6010.

UNSOLVED HOMICIDE: THERESA INSANA

When a woman vanishes from her Las Vegas home, investigators find themselves working to solve a carefully-planned abduction and murder. A killer remains at large despite leaving DNA evidence behind in this episode of Last Seen Alive.

Sources used to research this episode:

PODCAST: Unsolved Mystery: Theresa Insana (LVMPD’s Beyond the Badge Podcast)

‘We will not give up hope’: Murder of Niagara Falls Native Remains Unsolved 20 Years Later (Eileen Buckley / WKBW News)

Loved Ones Still Fighting for Answers in Unsolved 2004 Las Vegas Homicide of Theresa Insana (Veronica Fulton / NBC News)

SPECIAL REPORT: Tracking Theresa’s Killer, 16 Years After Her Murder Near Summerlin Home (Max Darrow / News3 Las Vegas)

Family Searching for Answers After Woman Was Killed in Las Vegas After Her Wedding Was Called Off (Jill Sederstrom / Oxygen)

Detectives See New Promise in Long-Shelved DNA. But There Are Pitfalls (Alexis Ford / Las Vegas Review Journal)

Technology Uses DNA to Create a Photo of a Possible Killer (Kelsie Smith / WHAM News)

Body Found Likely to be Summerlin Woman (Jen Lawson / The Las Vegas Sun)

Dateline S19.E71 Lost in Sin City (Dateline)

Case #: 041028-1027, Theresa Insana (Las Vegas Metropolitan Police Department)

If you know anything about the death of Theresa Insana, please call the LVMPD Homicide Section at (702) 828-3521, or e-mail them at homicide@lvmpd.com. If you wish to remain anonymous, you can call Crime Stoppers of Nevada at 702-385-5555.

UNSOLVED HOMICIDE: SU-YA KIM

When a New York woman doesn’t return home from a routine errand, her husband endures a sleepless night of worry before being called to the medical examiner’s office to identify her body. A case gone cold receives new scrutiny when a notorious serial killer is identified in this episode of Last Seen Alive.

Sources used to research this episode:

Su-Ya Kim (Unsolved Mysteries)

Body Found in Dumpster (Daily News via newspapers.com)

Cold Cases in Areas of Brooklyn Linked to Accused Gilgo Beach Killer Re-examined (Mary Murphy / PIX11 News)

VIDEO: Unsolved Mysteries with Robert Stack – Season 6, Episode 5 (Unsolved Mysteries via YouTube)

Suspect in Gilgo Beach Serial Killings, Rex Heuermann, is Accused of Another Murder (David K. Li and Brittany Kubicko / NBC News)

Suspect in Gilgo Beach Killings May Have Begun Preying On Women More Than Three Decades Ago (Corky Siemaszko / NBC News)

Exclusive: Inside The Mind Of A Serial Killer (CBS News)

Joel Rifkin (Radford University Department of Psychology)

Gilgo: Strangulation, Taunts To Family Common In Serial, Sexual Murders: Psychologist (Peggy Spellman / Patch.com)

New York Murder/Homicide Rate 1979-2018 (macrotrends.net)

Crime in the United States: 2018 (US Bureau of Justice Statistics)

If you know anything about the murder of Su-Ya Kim, please contact the NYPD Crime Stoppers Tip Line at 1-800-577-8477, or report an online tip HERE. You may remain anonymous if you wish.

UNSOLVED DISAPPEARANCE: JAMES YOBLONSKI

When a 13-year-old Wisconsin boy vanishes in the summer of 2023, investigators learn that he had aspirations of trying to survive “off-grid” in the wilderness. Despite the discovery of abandoned campsites and extensive search efforts, a child remains missing in this episode of Last Seen Alive.

Sources used to research this episode:

1 Year Later: Wisconsin Teen James Yoblonski Still Missing (Zoie Henry / WISN News)

Missing: Sauk County Boy Not Found After A Day of Searching (Charlie Hildebrand / WMTV15 News)

Searchers Find Second Campsite, Other Clues While Looking for Missing Teen Near Devil’s Lake State Park (Logan Reigstad, Lucy Wentink and Arman Rahman / Channel 3000)

James Yoblonski’s Family Praises New Missing Child Alert That Could Have Helped Their son (Kathryn Larson / Spectrum News 1)

James Yoblonski Missing for One Year, Family Seeking Answers (John Gittings / WISC News)

What Happened to James Yoblonski? (John Giddings / WISN12 News)

‘I just feel it in my heart that he’s alive,’ Says Father of Wisconsin Boy Missing Since June (Joyce Garbaciak / WISN12 News)

Where is James Yoblonski? The Night the Sauk Co. Teen Disappeared (Rachael Perry / WKOW News)

Family Leads Search for Missing 13-Year-Old Two Weeks After His Disappearance (Braden Ross / Channel 3000)

Father of Missing 13-Year-Old Believes Boy Believes He Was ‘Coerced’ Into Leaving Home in Family Van (Graig Graziosi / The Independent)

James Yoblonski (solvethecase.org)

Missing Teen James Yoblonski Had Access to Devices Used for Web searches on How to Leave the State (Nick Viviani / WMTV15 News)

Family Violence Statistics (Bureau of Justice Statistics)

Boy Who Went Missing in Baraboo Has Family Ties to Depies (Rebecca Loroff / The Post Crescent via newspapers.com)

If you have any information on the disappearance or whereabouts of James Yoblonski, please call the Sauk County Sheriff’s Office at 608-355-4495, or Sauk County Crime Stoppers at 888-847-7285.