When an Alaskan fishing vessel is found abandoned and aflame the morning after a storm, it quickly becomes apparent that its crew encountered something much darker than the wrath of the sea. Investigators sift through ash in search of fragments of the murdered crew, uncovering pieces of Alaska’s worst unsolved mass murder in this episode of Last Seen Alive.
The Investor–a top-of-the-line fishing seiner owned and skippered by Mark Coulthurst–was found flaming by another fisherman. Investigators found the remains of numerous victims aboard. Mark and Irene Coulthurst were happily married with two young children and a third on the way at the time of their murders. Image source: family photo / Laurie Hart.The Coulthursts’ young children, John and Kimberly, were killed along with the adults aboard The Investor. Image source: family photo.Jerome Keown and Dean Moon were two of the Investor’s crew members. They, along with everyone else on board The Investor, were murdered. Image source: family photos.Chris Heyman was one of The Investor’s crew members. He, along with everyone else on board The Investor, was murdered. Image source: family photo.Pictured: Kimberly and John Coulthurst, along with their cousin, Mike Stewart,, who was a member of The Investor’s crew. All were murdered. Image source: family photo / Laurie Hart.These suspect sketches depict a man (and presumed killer) seen speeding away from the flaming Investor on its skiff boat. Image source: law enforcement via The Fisherman’s Journal.Numerous fisherman identified John Kenneth Peel (pictured) as the man depicted in the suspect sketch. He had once worked for Mark Coulthurst, but had been fired. Peel was eventually charged with the murders, but never convicted. Image source: family photo.Investigators determined that fire had been deliberately set to The Investor in order to conceal evidence. The victims aboard had been fatally shot prior to the fire.
If you have any information on the deaths of the victims who died aboard The Investor, please contact the Alaska Department of Public Safety at 907-269-5511.
When a wealthy Lowcountry power-couple confronts their financial manager over missing funds, they immediately vanish from their Hilton Head Island retreat. Unanswered questions haunt a tale of deadly greed in this episode of Last Seen Alive.
When investigators spoke to Gerwing immediately after the Calvert’s disappearance, they noticed a suspicious cut to his hand. The cut resembled “slide bite” from a firearm. Image source: Beaufort County Sheriff’s Office.Dennis Gerwing (left) was a CPA and CFO of The Club Group, a management company that the Calverts had hired to manage their business’ financial affairs. They went missing after a meeting where they’d planned to confront him over embezzlement. Image source: family photo.The Calvert’s split their time between their Atlanta, GA home and their Yacht, The Yellow Jacket, which they docked on Hilton Head Island. Here, investigators examine the yacht after their double-disappearance. John and Elizabeth Calvert were 47 and 45-years-old, respectively, when they vanished from Hilton Head Island. Image source: family photo.Dennis Gerwing–an accountant who the Calverts suspected of embezzling from them–took his own life shortly after their disappearance. In this photo, officials remove his body from his home. Image source: The State.The Beaufort County Sheriff’s Office produced this sketch of the scene where Gerwing’s body was found after his self-inflicted death. He left behind a knife and a suicide note. Image source: Beaufort County Sheriff’s Office.Elizabeth and John’s whereabouts remain unknown, although they have been declared dead.
If you know anything about the disappearances of Elizabeth and John Calvert, please call the Beaufort County Sheriff’s Office at 843-524-2777, or—if you prefer to remain anonymous—the South Carolina Crime Stoppers at 1-888-274-6372.
When a seven year-old girl is abducted from her suburban Chicago home and murdered, investigators initially suspect those closest to her. A tumultuous search for her killer takes a series of shocking turns in this episode of Last Seen Alive.
Jaclyn Dowaliby was 7-years-old when she vanished from her Midlothian, Illinois home in the middle of the night. Image source: family photo.Here, Jaclyn is pictured with her mom and (adopted) dad, who was wrongfully accused of her murder. He successfully appealed his conviction. Image source: family photo.Perry Hernandez is a convicted serial sexual predator who was operating in the area where Jaclyn lived at the time of her abduction and murder. He targeted girls Jaclyn’s age, and his MO was remarkably similar to that of Jaclyn’s killer’s. He has not been charged with any crime in relation to her case. He is currently incarcerated. Image source: law enforcement photo.
When a young legal secretary disappears after being haunted by recurring dreams of abduction and murder, her unsolved case becomes—and still is—one of the most mysterious in the state of Ohio. An array of compelling possibilities are explored in this episode of Last Seen Alive.
Cynthia Anderson was 20-years-old when she disappeared from her place of work in Toledo, Ohio in August of 1981. She has not been seen since. Image source: family photo.Cynthia went inexplicably missing from the law office where she worked on Toledo’s north side.
When a young Texan woman fails to return home after a late night of waiting tables, her car is found—abandoned and blood-stained—in the heart of the notorious Texas Killing Fields. An unexpected lead results in the untangling of a twisted story in this episode of Last Seen Alive.
Shelley Sikes was 19-years-old when she was abducted from her vehicle near Galveston, Texas in 1986.. Image source: family photo.Shelley had a passion for dance, and dreamed of one day owning and running her own dance studio. Image source: family photo.Shelley’s drive from her place of work on Galveston Island to her hometown of Texas City was only 15 minutes long. During that drive, she was forced off the road and dragged from her car. Image source: Google Maps.The Galveston Daily News covered Shelley’s story from the start. Image source: Galveston Daily News.
When a Brooklyn teen disappears without a trace, a nightmarish discovery in a subway tunnel turns a missing person report into a homicide investigation. Investigators discover and accuse an alleged serial killer in this episode of Last Seen Alive.
Rashawn Brazil was 19-years-old when he was murdered in Brooklyn, NY, on February 14th, 2005. Image source: family photo.Rashawn was a hard-working teen with ambitions for his future. He spent his last day alive searching for a job that he could support himself with while attending college. Image source: family photo.Kwauhuru Govan was Rashawn’s neighbor and is a suspected serial killer. He was charged with Rashawn’s murder in 2017, but the charges were dropped in 2023. Image source: police photo.Rashawn was a hard-working and kind 19-year-old who had ambitions for his future. His killer took that away from him, and took Rashawn away from his family and friends. He is badly missed by loved ones, especially his mom. Image source: family photo.
If you have any information on the death of Rashawn Brazell, please call the NYPD Crime Stoppers’ tipline at 1-800-577-TIPS OR submit an anonymous tip online here.
When a scuba enthusiast embarks on a perilous cave dive alone and fails to return, it’s initially assumed that “the vortex” has claimed another victim. However, lack of a body and suspicious circumstances force authorities to consider other possibilities, including foul play, in this episode of Last Seen Alive.
When a Texas woman returns to her small hometown to start over, she vanishes and is found dead in the Red River. Evidence suggests she died at the hands of someone she knew well, but her case remains unsolved in this episode of Last Seen Alive.
Check out Red Rabbit Justice, an effort by Jennifer’s brother-in-law (who happens to be a filmmaker) and others to produce a documentary film about her case. They are offering a $50,000 reward in relation to Jennifer’s case.
If you know anything about the death of Jennifer Harris, please contact Texas Crime Stoppers at 1-800-252-TIPS. You can remain anonymous.
When a young California girl goes missing and her mom is found murdered, one family seems to be at the center of it all. From a self-declared street preacher to a babysitter with a murderous past, a host of suspicious individuals haunt the story of a missing child who investigators believe is still alive in this episode of Last Seen Alive.
Nikki Fitts and her two-year-old daughter, Arianna, went missing from San Francisco, California in April of 2016. Image source: family photo.Nikki Fitts was 32-years-old when she went missing in April of 2016. Her body was found shortly thereafter in McLaren Park. Her murder remains unsolved. Image source: family photo.This plywood board was concealing Nikki’s shallow grave in McLaren park. Investigators believe her killer(s) brought it to the park, along with her body. Do you recognize the design painted onto it? Image source: San Francisco Police.Arianna has been missing since April of 2016. It’s believed that she may have been abducted, and that her abductors may have been responsible for her mom, Nikki’s, death. Image source: family photo.Arianna was 2-years-old when she went missing in April of 2016. If alive in 2025, she is approximately 11-years-old. Image source: family photo.This post was made from Nikki’s Facebook account around the time of her death. It’s believed that someone else posted it, pretending to be her.This age-progression image shows what Arianna might have looked like 2024. Investigators believe she is still alive. Image source: National Center for Missing and Exploited Children.
Arianna Fitts was only 2.5 when she went missing in 2016. She may resemble the age-progressed picture included above. She may still be alive, possibly in California’s Bay Area or the Las Vegas, Nevada area.
Do you recognize the wooden board pictured above?
The board, which bears a spray-painted symbol, was used to cover Nikki Fitts’ body after it was dumped in a San Francisco park. If you know where the board may have come from, investigators want to know.
If you know anything about the disappearance of Arianna Fitts and / or the death of Nikki Fitts, please submit a secure, anonymous tip here or call the San Francisco FBI field office at (415) 553-7400, or the San Francisco Police Department at San Francisco Police Department at 415-575-4444. If your tip leads to the identification, arrest and conviction of the person or persons responsible for Nikki’s murder and Arianna’s disappearance you may be eligible for a $250,000 reward offered by the San Francisco Police Department, plus a $10,000 reward offered by Best Buy.
When an 18-year-old disappears under suspicious circumstances in Asheville, North Carolina, investigators are left to navigate a minefield of unbelievable stories and even more unbelievable people. An unsolved disappearance tangles with a would-be love triangle and the murder of a celebrity chef in this episode of Last Seen Alive.