When a Colorado highschooler stumbles across a crime in progress, it costs her her life. Investigators search the Rocky Mountain foothills for answers in this episode of Last Seen Alive.

Sources used to research this episode:

FBI Investigating Maggie Long’s Unsolved Murder As a Potential Hate Crime (Allison Sylte / 9News NBC)

Nearly 2 Years After Maggie Long’s Murder, Family Decides to Sell Home in Park County (Lance Hernandez / ABC7 Denver)

Expanded Homicide Offense Counts by Park County Sheriff’s Office (FBI UCR Crime Data Explorer)

‘This is not a cold case’: Maggie Long’s Sisters Not Giving up Two Years After Teen’s Murder (Noel Brennan / 9News NBC

Still No Arrest in Maggie Long Murder (Walter L. Newton / The Flume)

Two Years Later, Maggie Long’s Murderers Still at Large (Kelly Kirkpatrick / The Flume)

Family Friend Shares Message from Family of Maggie Long (Bobbi Sheldon / 9News NBC)

3rd Suspect Sketch Released in Maggie Long Killing (Janet Oravetz / 9News NBC)

Federal Agents Bust Burglary Ring Targeting Asian-American Business Owners (Annie McCormick / 6ABC News)

Colorado Police: Three Arrested in Asian Targeted Burglaries (Patty Nieberg / AP News)

If you know anything about the murder of Maggie Long, please call the FBI tip line at 1-800-225-5324, or submit a tip online at fbi.gov/tips.


When a young Missouri woman is abducted from a cemetery and murdered, her violent death haunts her rural community. The Ozark Mountains overshadow a heartbreaking mystery in this episode of Last Seen Alive.

Sources used to research this episode:

Kelle Ann Workman (Find A Grave)

Report: Kelle’s Killer(s) Can Still Be Caught (Webster County Citizen / Fred Spriggs)

Untitled July 6, 1989 Article (Douglass County Herald)

Unsolved Slaying Haunts Family (Springfield News Leader, 1990, via Newspapers.com)

24 Year Old Woman Missing Since Friday (Douglas County Herald, 1989, via Newspapers.com)

Body of Missing Woman Found in Christian County (Douglas County Herald, 1989, via Newspapers.com)

Slaying Suspect Sticks by Alibi in Workman Case (Springfield News Leader, 1995, via Newspapers.com)

July 1996 Article (Springfield News Leader, 1996, via Newspapers.com)

Tommy Lyn Sells (Serial Killer Information Center, Radford University / Dr Mike Aamodt)


If you know anything about the abduction and murder of Kelle Ann Workman, please call the Douglas County Sheriff’s Department at 417-683-1020, or submit a tip to the FBI at fbi.gov/tips.


When an experienced traveler disappears from one of the busiest airports in the country, her family is left desperate for answers. A tropical getaway takes a nightmarish turn in this episode of Last Seen Alive.

Sources used to research this episode:

Family Searching For Fil-Am Trans Woman Who Went Missing At Dallas Airport (Klarize Mendenilla / Asian Journal)

Search Continues for Trans Woman Pauline Del Mundo Missing Since Last September (Tammye Nash / Dallas Voice)

Family Desperate for News of Missing Trans Woman, Pauline Del Mundo (Dallas Voice)

Florida Transgender Woman Vanishes During Layover at Dallas Airport (H. Alan Scott / Newsweek)

Mysterious Disappearance of Fil-Am Paula Del Mundo Still Unsolved (Cristina DC Pastor / Philippine Daily Inquirer)

Transgender Tampa Woman Vanishes DuringLayover in Dallas, Family Says (Josh Sidorowicz / WTSP News)

Community United Effort (CUE)

Homicide Rates of Transgender Individuals in the United States: 2010–2014 (Alexis Dinno, ScD, MPH, MEM / American Journal of Public Health)

Texas Leads the Nation in Transgender Murders (Lauren McGaughy / Dallas News)

Man Admits to Shooting Transgender Woman in Hate Crime, Police Say (Karma Allen / ABC News)

Man Arrested in Death of Transgender Woman, 2 Others (Terry Wallace / AP News)

Man Charged with Murdering Transgender Woman and 2 Others in Dallas (Derrick Bryson Taylor / New York Times)

If you know anything about the disappearance or whereabouts of Paula Del Mundo, please contact the Dallas Fort Worth Airport Police at 972-973-3553. 


When a young mother discovers a shocking secret about her fiancé weeks before their wedding, her life is turned upside down. Her death soon follows, and experts struggle to determine whether it’s a homicide or an unlikely suicide in this episode of Last Seen Alive.

Sources used to research this episode:

Undetermined: A Suspicous Death at Seattle’s Green Lake and an Investigation’s Limit (Daniel Gilbert / The Seattle Times)

Father Accused of Assaulting 5-Week-Old Girl (Erik Stevick / Herald Net)

Father Sentenced to 5 Years for Abuse of Baby (Diana Hefley / Herald Net)

Family Searches for Answers in the Death of Autumn Stone (Siemny Kim / Kiro 7 News)

The Arterial Supply to the Central Nervous System (TeachMeAnatomy.info)

Examining the Intersections between Child Maltreatment and Intimate Partner Violence (Alessandra Guedes, MA MSc and Christopher Mikton, PhD)

Suicidal Ligature Strangulation Without A Knot–A Case Report (Kumar Pmv, Ahmed N and Anand Rayamane / Science & Justice)*

*Warning: Graphic medical / autopsy imagery.

If you have any information about the death of Autumn Lee Stone, please contact the Seattle Police Department at (206) 625-5011.


When a Tennessee outdoorsman disappears in a remote area on the outskirts of a national park, he leaves behind a loving family and a thriving business. Extensive  search efforts fail to solve a mystery that unfolds in the shadow of the Great Smoky Mountains in this episode of Last Seen Alive.

Sources used to research this episode:

(Video) Mike Hearon: Man Missing in Mountains (WBIR News)

The Charley Project: Michael Edwin Hearon

Happy Valley’s Sad Mystery: Sons Reflect on Father’s Mysterious Disappearance (Knoxville News / Robert L Wilson)

Search Continues for Missing Blount Man (Knoxville News Sentinel)

NAMUS: Michael Hearon

Google Maps: Happy Valley, Tennessee (35°36’32.3″N 83°57’26.7″W)

When to Use Low or High Gear on an ATV (ATV Helper)

Illegal Pot Operations In Public Forests Are Poisoning Wildlife And Water (NPR)

Keeping Safe If You Come Across a Marijuana Grow Site (US Forest Service)

Tennessee Marijuana Laws and Penalties (NORML.ORG)

Appalachia High Intensity Drug Trafficking Area Drug Market Analysis 2009 (National Drug Intelligence Center)

Home Distilling (Alcohol and Tobacco Tax and Trade Bureau)

What is Snaring? (Lilongwe Wildlife Trust)

Investigators: Evidence Supports Theory Morgan Co. Man Who Disappeared in 2017 Crashed into Tree (WBIR News)

Morgan County Rescue Squad Looking for Missing Man (1057 News)

If you know anything about the disappearance of Mike Hearon, please contact the Blount County Sheriff’s Department at 865-273-5001 or click here for information on how to anonymously submit a tip online or via text.


When an entire family is murdered in the dead of night, the investigation is complicated by a law enforcement agency teeming with secrets. Small town Virginia meets major crime in this episode of Last Seen Alive.

Sources used to research this episode:

Who Killed Jennifer Short? A FOX8 News Exclusive (Fox8 News)

Short Case Timeline (Ryan Falls / Martinsville Bulletin)

Remains are Those of Va. Child (Washington Post)

Cassell Silent on Paternity (Martinsville Bulletin)

Short Family Murders Still Unsolved After 10 Years (Fox8 News)

Man Couldn’t Have Killed Three, Friends Say (Star News Online)

Friend: Witness Wasn’t Fleeing (Tom Steadman, Jennifer Fernandez / News & Record)

Rockingham County Sheriff Announces DNA Analysis Results (CNN)

Henry County Sheriff Frank Castle Says Lemons Felt Maligned (News & Record)

Va. Sheriff and 19 Others Charged in Drug Scheme (Maria Newman / NY Times)

Juvenile Justice Bulletin, June 2000 (Department of Justice)

Gerald R. HOOPER, Petitioner-Appellant v. D.A. GARRAGHTY, Warden; Attorney General of the State of
Virginia, Respondents-Appellees (US Court of Appeals, Fourth Circuit)

Lover’s Lane Murder Baffles Va. Police (The Free Lance Star, Dec. 27, 1978 ed.)

Open Case Virginia: Fire Fuels Fresh Suspicion About Short Family Murders (WDBJ7 News)

Short Family’s Former Henry County Home Destroyed by Fire; Cause Unknown (WSLS News)

If you know anything about the murder of the Short family, please call the FBI’s major case contact center at 1-800-225-5324, or submit a tip online at tips.fbi.gov


When a young New York woman trades her small town for the glittering lights of Las Vegas, her short life is torn away by a predator. The mystery surrounding her death spans the country, crossing paths with a possible serial killer in this episode of Last Seen Alive.

Sources used to research this episode:

Mutual Misery When Daughters Disappear (Abigail Goldman / Las Vegas Sun)

Man Linked to Unsolved Murder Arrested on Prostitution-Related Charges (8 News Now Las Vegas)

Family Grieves, Yet Feels Relief (Lawrence Mower / Las Vegas Review Journal)

Nov. 23, 2005 Anderson Cooper 360 Transcript (Anderson Cooper / CNN)

Why Do Women Choose Street Prostitution in Las Vegas? (Las Vegas World News)

Prostitute Homicides: A Descriptive Study (Journal of Interpersonal Violence / C. Gabrielle Salfati et. al.)

What We Know About Sex Trafficking, Prostitution, and Sexual Exploitation in the U.S. (World Without Exploitation / Jody Raphael et al)

DNA Match Identifies Legs Found Along I-55 (Jayette Bolinski / The State Journal Register)

Lindsay Harris (Heather Sutphin / Neal Falls Investigation Blog)

Probe Widens After Suspected Serial Killer Slain (CBS News)


When a young girl vanishes into a dark and stormy night, investigators are baffled by her disappearance. One of the most mysterious unsolved cases in North Carolina history is explored in this episode of Last Seen Alive.

Sources used to research this case:

Clues Sought in Disappearance of 9-Year-Old Who Disappeared 20 Years Ago (FBI)

Missing & Black: What Happened to Asha Degree? (Anslem Samuel Rocque / Jet Magazine)

National Estimates of Missing Children: An Overview (OJJDP)

Girl’s Disappearance Baffles Investigators (Star News, March 15, 2000)

Sleep Walking & Sleep Talking (AASM)

Sleepwalking (Mayo Clinic)

Items Found, But Still No Asha (Andrew Dys / The Star)

If you have any information about the disappearance of Asha Degree, call the FBI at 704- 672-6100 or the Cleveland County Sheriff’s Office at 704 484-4822.


When a Maryland teen is abducted and murdered on her way home from school, the tragedy leaves a lasting impression on her community. Cold case investigators persevere decades later, striving to identify a killer they believe is still in the area in this episode of Last Seen Alive.

Sources used to research this episode:

Maryland Mysteries: Lorraine Zimmerman (WMAR-2 News)

Looking for Closure in Unsolved Murder of Lorraine ‘Lori’ Zimmerman (Herald Mail)

15-Year-Old’s Slaying a Mystery 27 Years Later (Washington Examiner)

Jeffrey Miles Pleads Guilty to Murder of Hagerstown Woman (Herald Mail)


Skeletal Remains of 17-year-old Angie Daley Found on Farm in Washington Township (Denise Bonura / The Record Herald)

If you know anything about the murder of Lori Zimmerman, please contact the Maryland State Police Criminal Investigations Bureau at 410-653-4211.


When a North Carolina nurse is found dead after being threatened by a stalker, investigators quickly write her death off as an accident. Questions abound in this episode of Last Seen Alive, such as: how does a body “accidentally” wind up in a barrel underwater?

Sources used to research this episode:

Debbie Wolfe (Unsolved Mysteries)

The Body in the Barrel: Questions Linger in 1985 Fayetteville Drowning (Michael Futch / The Fayetteville Observer)

Drowning is one of the hardest homicides to prove. These investigators want to change that. (Cara Tabachnick / NBC News)

Investigation of Drowning Deaths: A Practical Review (Erica J. Armstrong MD, Kevin L. Erskine)

Cold Water Immersion Syndrome and Whitewater Recreation Fatalities (David J. Farstad, MD1; Julie A. Dunn, MD2)

Help bring Debbie the justice she deserves!

If you have any information about the death of Debbie Wolfe, please contact the Cumberland County Sheriff’s Office at: (910) 323-1500 – OR – contact Fayetteville / Cumberland County Crime Stoppers at (910) 483-TIPS (click to submit a tip online).