Find out more about an Indiana jury's decision to convict Richard Allen in the murders of teens Abigail Williams and Liberty German.

Investigators and loved ones speak out on Ezra McCandless' violent nature.

Uloma Curry-Walker wanted her husband, William Walker, dead. Learn how she had him murdered right after they married.

Find out why James Henrikson had Doug Carlile fatally shot in his Washington state home, and how Henrickson was linked to ...

Investigators discover Bill and Nancy Mueller's trailer and Jeep abandoned in rural Arkansas, with no sign of the family to ...

A young woman seeks refuge at the home of a Wisconsin farmer, claiming she just escaped from a violent assault. When ...

Find out why Joseph O’Boyle brutally killed his doctor, beloved chiropractor James Sowa, in his Bensalem, Pennsylvania, home, and how detectives found him.

Learn more about the investigation into Michigan man Trent Mallory's 2014 murder, as told in Oxygen's Killer Relationship.

Learn more about Patricia McDermott's fatal shooting in Philadelphia, and what police later found out about her killer Juan ...

Learn more about Joyce Mitchell's life after helping Richard Matt and David Sweat escape from the Clinton Correctional ...

A well-respected firefighter and loving family man is found gunned down outside his suburban home, sending police on a ...

After Leon Harrison Jr. disappears, a missing persons investigation leads to disturbing clues and reveals a toxic relationship.