Murders

Alexander Bradley and Aaron Hernandez went from weed pals to best buds to rivals in the courtroom.

Among murderer Marc Dutroux's many horrific crimes, he built a secret dungeon in his basement and held victims as sex slaves. In some cases, he had help from accomplices.

A toxic relationship between her son and his on-off-girlfriend led to the fatal poisoning of chiropractor Mary Yoder.

Jack Unterweger was known as a reformed killer and respected crime journalist in Austria until it was discovered that he was reporting on his own horrific acts.

Police thought they were searching for one body at Fred and Rosemary West's home in Gloucester, England — but they'd find many more.

Some of the globe's most infamous killers, including Fred West, Jack Unterweger, and Marc Dutroux, had some help from their romantic partners. 

Lucille Duncan didn't pull the trigger in the 2003 homicide of Jimmy Pruitt, but she is the only one of three connected people convicted of first-degree murder.

Many believe the Menéndez brothers, who at ages 18 and 21 murdered their parents in their Beverly Hills home, should be free.

“Greg took an innocent man’s life for no reason, but couldn’t just tell the truth,” Tausha Fields Morton said during Snapped: Behind Bars. 

When Carole Gold realized her husband, Chuck, was cheating again, and threatening to kick her son, Ashton, out, they made a plan to get rid of him for good.