Violent Minds: Killers on Tape on Oxygen - Who is Reginald Dinsmore and what did he do?

David Serbeck
Oxygen's Violent Minds: Killers on Tape to revisit Reginald Dinsmore's crimes this Sunday (Image via Rotten Tomatoes)

In January 1985, Reginald Dinsmore was charged with the strangulation death of 15-year-old runaway Victoria Jacoby, which occurred over a year ago. Jacoby's body was found in the cellar of an Omaha apartment building where Dinsmore lived at the time.

Reports state that Dinsmore, 23, was already serving a prison sentence on an attempted manslaughter charge at the Utah State Penitentiary in Draper when he was charged with Jacoby's murder. He was released from the Nebraska State Penitentiary in 2021 on descritionary parole.

Oxygen's Violent Minds: Killers on Tape will address Dr. Al Carlisle's tape recordings from the sessions he had with Reginald Dinsmore while the convicted felon was serving time at the Utah State Penitentiary. The psychiatrist reportedly used hypnosis to help him remember the violent crime he committed.

The episode, titled Reggie/Reginald, will air on the channel this Sunday, April 16, at 7 pm ET. The official synopsis of the episode states:

"When a new inmate at the Utah State Prison claims he cannot remember the crime that sent him to prison, Dr. Carlisle's experiments with hypnosis reveal a violent alternate personality hidden just beneath the surface."

Victoria Jacoby's body was found in the cellar of Reginald Dinsmore's Omaha home in December 1983

The mysterious 1983 case of Victoria Jacoby, a 15-year-old run-away from Council Bluffs whose body was found in the cellar of an Omaha, Nebraska, house, left authorities baffled who struggled to find the cause of death and the killer behind the violent crime.

Omaha Police Sgt. Leonard Bunach V. stated that investigators were curious about Jacoby's death and to learn if she was murdered. Bunach claimed that they didn't know for sure, but she may have been strangled. The autopsy, however, was inconclusive. The victim's body, discovered on December 29 of that year, was identified using dental records. She ran away from her house in February 1983.

Over a year later, in January 1985, Reginald Dinsmore, formerly from Omaha, Nebraska, was charged with murder in connection with Jacoby's strangulation death. At the time, Dinsmore was already serving a prison sentence at the Utah State Penitentiary in Draper on an attempted manslaughter charge, stemming from a July 1983 attack on a 21-year-old Utah woman.

According to reports, Dinsmore attempted to s*xually assault a 21-year-old Utah woman, but when she resisted him, he strangled her before leaving her in the cellar of an abandoned house. However, the woman survived and notified authorities about what had taken place, which ultimately resulted in his conviction. Victoria Jacoby's case was similar in multiple aspects.

As per a spokesperson for the Omaha Police Department, detectives believed Jacoby met Dinsmore in downtown Omaha and went with him to his house. Police suspected he then tried to s*xually assault her there and strangled her to death when she resisted. After killing Jacoby, he dumped her body in the cellar of an Omaha apartment building he lived in at the time.


Reginald Dinsmore's crimes are to be revisited in an upcoming episode of Oxygen's Violent Minds: Killers on Tape this Sunday.

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