Killer Unknown

Uncover the heart-wrenching true stories behind crimes that transcended headlines and became part of popular culture. Exclusive first hand interviews reveal shocking twists, new evidence, and unexpected resolutions.

Homicide cases are examined.

A look at a number of murder cases in small, insular communities that went cold before witnesses come forward years later.

Horrifying memories can play back in an endless loop for people who have lost a loved one to murder; these painful recollections may also contain critical clues that can help detectives piece together the final hours of a victim's life.

Romantic outings gone dangerously awry are detailed.

People Magazine explores shocking stories of ordinary people who, lured by promises of eternal life, get caught up in a terrifying web of abuse, deception, and manipulation. Explore the deeply disturbing world of cults through the eyes of survivors who managed to escape.