Dateline on OWN

Investigating the 2006 murder of a former radio DJ whose body was discovered in the waters off California's Catalina Island.

A rookie detective's quest to crack the case of a Florida man's disappearance and murder is chronicled.

Examining the case of Jon-Adrian Velazquez, who was convicted of killing a retired police officer in 1998.

A mother attempts to free the man convicted in the slaying of her daughter.

When a healthy young woman dies, a spray tan comes into view as the possible culprit—but so too does her husband.

Two suspects surface after the 2001 murder of an attorney.

The investigation into the 2010 murder of Stephanie Bruner, a Colorado dancer and mother of three, is recounted. Her husband claimed that he last saw her when she left the house to take a walk during a blizzard. The police soon identified three suspects: the husband, whom she was divorcing; her married lover; and the married lover's wife.

The story of Bernadette Sugrim, who escaped an abusive marriage when her 11-year-old daughter called 911 after being assaulted by her father. The abuse was only one secret that Sugrim hid from the outside world, however: Her husband had confessed of his involvement in past incidents that she shared with the police after they responded to her daughter's call.