Investigation Discovery TV Guide

Police find a giant sword bent in half, alongside a murder victim and investigators must sort through the details of his life to bring his killer to justice.

A dad learns his son is behind three murders across Oregon and California. Ken makes the agonizing choice to call authorities and turn in his own son.

A gunman shoots a hero fireman dead in his own driveway. Police focus their investigation on the unusual firearm used to commit the crime.

Police find a giant sword bent in half, alongside a murder victim and investigators must sort through the details of his life to bring his killer to justice.

When investigators find a series of homeless men bludgeoned to death at the same intersection, Las Vegas fears who could be next.

In 2014 gunshots are reported in the Rodgers home, but Maria Edwards who phoned 9-1-1 refuses to give her statement without a lawyer present.

When Karla leaves her home one night and never returns, the police uncover hidden secrets and must decide who is telling the truth and who is lying.

A deputy discovers the body of 45-year-old missing father, Randall Ferguson, of Puyallup, Wash., in the trunk of his car having been shot twice in the head.

When the body of 50-year-old Edwardyne Williams is discovered in the woods, police discover the killer is someone who has been holding a grudge against her.

When 32-year-old mother, Stacie Smith, is found dead inside her home in St. Albans, W.Va., police believe that a jealous lover is behind her brutal death.

After Benjamin Amato and Cheryl Kunkle began fighting over custody of a child that they had together, Ben is found beaten to death with a baseball bat.

When an 18-year-old girl falls in love with a man nearly 15 years her senior, her parents warn against it, but no one could predict the danger she is in.

When Katerina leaves her husband, he fights back in imaginative ways to cause her pain, including getting Katerina locked up for a crime she hasn't committed.

When single mom Rosita accepts a stranger's friend request, she has no idea he's hiding a terrifying secret that will lead to a deadly game of cat and mouse.

A woman never expected such extreme reprisals from a man she once called her partner, but her daughter is caught in the crosshairs.

Actor Joseph Son played villains but a terrible secret from his past resurfaces more than a decade later, then prosecutors face off with the actor on the stand.

Christina Grimmie went from internet sensation to international superstar yet among her fans was someone whose obsession would bring her dreams to a tragic end.

Tara Correa-McMullen rose to star alongside some of Hollywood's biggest stars, but a romance with the wrong person takes her out of the spotlight forever.