The so-called "Kensington Strangler" successfully evaded police capture until one tip put them on his trail.

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

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.

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

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

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

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

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

Ezra McCandless tried to claim she stabbed her ex-boyfriend Alex Woodworth to death in self-defense. See what police decided happened.

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

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