The sisters opened up about the heartbreak of losing their mother, Christina Karlsen, and brother, Levi Karlsen, and explain how he almost got away with the murders.

Manhunt expands for Travis Decker, a military-trained survivalist accused of killing his three daughters, as authorities search Teanaway Valley and Blewett Pass.

Authorities allege Decker, an experienced survivalist and former member of the U.S. military, killed his three daughters before disappearing into the wilderness.

Latest in search for Travis Decker, Army veteran suspected of killing 3 young daughters Authorities who have spent the past three weeks searching in the mountains of Washington state for an ex ...

Travis Decker is accused of suffocating his daughters during a recent camping trip in Washington. Authorities say the Army veteran is "well versed in wilderness survival" and considered dangerous.

Daughters mourn deaths of state patrol bureau director, wife believed to be killed by adult son David Clarey Jack Albright Milwaukee Journal Sentinel 0:00 ...

Travis Decker, who has been charged with killing his daughters Paityn, 9, Evelyn, 8, and Olivia, 5, had a suspicious search history leading up to the murders, an affidavit revealed.

The video shows photos of Travis, Whitney, and their daughters, Paityn Decker, 9, Evelyn Decker, 8, and Olivia Decker, 5, while Pharrell Williams' song "Happy" plays.