Shock pours through a community when a devoted mother is fatally attacked with a machete on her way to pick up her children.

17-year-old Jayden Parkinson was killed by her abusive boyfriend, Ben Blakeley, who then buried her in his uncle's grave.

The chilling crimes of Colin Pitchfork, who became the first person to be convicted of rape and murder using DNA profiling.

After ending her relationship, 15-year-old Maleha Masud pays the ultimate price when her ex-boyfriend starts a lethal blaze at her home.

After ending her relationship, 15-year-old Maleha Masud pays the ultimate price when her ex-boyfriend starts a lethal blaze at her home.

Newlyweds Annette and Frank Carlson are renovating their first home when Angelo Pavageau breaks in, kills Frank, and sexually assaults Annette. Annette later helps investigators to hunt down the assailant.

In 2002, Heath McGowan murdered 88-year-old Henry Marrott in his own Michigan home, but the case against the violent criminal would prove complicated for police investigators.

Police discover the bodies of Duane and Carolee Recob in the family home in Delavan, Wisconsin, and detectives leading the investigation soon uncover the sad truth about their killings.

While on her way to a romantic weekend, Kendra Hatcher is shot dead in cold blood, and police investigators soon suspect that a jealous former lover could be behind the murder.