Ivy Lanier, the son of Ivy Dorian Lanier, reflects on his childhood and growing up on his father's turkey farm. In 1999, Dorian's wife, Pamela Lanier, was convicted of murdering him. An autopsy revealed Dorian had been poisoned with arsenic, and prosecutors argued Pamela killed him in order to collect on his life insurance.

A woman’s innocence is called into question after her husband dies from a mysterious malady and encourages detectives to take a deep dive into her past.

Those involved in the investigation and trial of Pamela Lanier reflect on the case. In 1999, Pamela was convicted of first-degree murder for the killing of her husband, Ivy Dorian Lanier. Dorian, a turkey farmer from Duplin County, North Carolina, was poisoned with arsenic. Prosecutors argued Pamela gave him the deadly dose in order to collect on his life insurance.

Former chief medical examiner John Butts looks back on the case of Ivy Dorian Lanier, who was poisoned with arsenic by his wife Pamela Lanier. Butts says Dorian experienced gastrointestinal problems for several weeks, which is a very common symptom and sign of arsenic poisoning. Within 30 minutes to an hour of ingesting arsenic, a victim will show signs of poisoning.

In Duplin County, North Carolina, life moves slow. A mysterious death, however, leaves the community in shock. On the evening of November 19, 1997, Pamela Lanier huddles over her husband, Ivy Dorian Lanier, who appears to be suffering from an unknown illness. The turkey farmer is rushed to the hospital, but it might be too late.

After a young mother disappears with a woman claiming to be a social worker, an investigation into here whereabouts ends in a gruesome discovery.

A woman’s innocence is called into question after her husband dies from a mysterious illness, and it encourages detectives in North Carolina to take a deep dive into her past. Could Ivy Dorian Lanier, a turkey farmer from the Chinquapin community, have been poisoned, or did he really die of natural causes?

Friend Sheryl O'Neil remembers John Marmo Jr., a military hero who was gunned down outside his Camarillo, California, townhouse on December 1, 2006. O'Neil recalls how much Marmo "loved being a father" to his daughter. Marmo and his ex-wife, Rebecca Braswell, were involved in a child-custody dispute before Marmo's murder.

Those involved in the case of John Marmo Jr., a military hero who was gunned down outside his Camarillo, California, townhouse, reflect on the 2006 murder investigation. Marmo's ex-wife, Rebecca Braswell, was involved in a child-custody dispute with Marmo over their daughter before he was killed. In 2009, Braswell was found guilty of first-degree murder while lying in wait and conspiracy, and she was sentenced to life in prison without parole.

Self-named killer B.T.K., murdered 10 people over 17 years all while taunting Wichita police and media before being exposed as family man and churchgoer, Dennis Rader. In an exclusively acquired interview, he reveals what drove him to do it.

Prosecutor Richard Simon reflects on the murder case of John Marmo Jr., a military hero who was gunned down outside his Camarillo, California, townhouse on December 1, 2006. Simon recalls that Marmo's ex-wife, Rebecca Braswell, who was engaged in a custody dispute with Marmo, and her friend, Rebecca Braswell, both claimed Marmo assaulted them during a custody exchange.

Shanna Roach, the sister-in-law of Judy Flanagan, remembers how shocked the community was when Flanagan was arrested for the murder of Dennis Coates. In 2005, Flanagan was sentenced to life in prison without the possibility of parole after being found guilty of capital murder. Roach believes Flanagan was involved in the murder, but she does not think she killed him.

Those involved in the trial of Judy Flanagan, who was found guilty of murdering Dennis Coates and sentenced to life in prison without the possibility of parole in 2005, reflect on the case. Friends and family members stand by Flanagan, whom they believe had nothing to do with the killing.