Police have said they believe they are 'closing in' on Travis Decker, the father accused of killing his three young daughters, amid the ongoing manhunt.

Paityn Decker, 9; Evelyn Decker, 8; and Olivia Decker, 5, were located on June 2 near the Rock Island Campground in Chelan County, Washington, police said.

The search is on for Travis Decker, accused of killing his three daughters, with authorities concerned his survival skills could help him evade capture.

Police tracked a subject believed to be Travis Decker, 39, after a weeklong manhunt. Decker is accused of killing his three daughters — Paityn, 9, Evelyn, 8 and Olivia, 5 — whose bodies were found at a Washington campsite on June 2.

The cause of death for the three Washington sisters who were found dead after a visit with their father, Travis Decker, has been revealed as federal investigators take over the search for him. According to the Chelan County Sheriff’s Office,

Decker, who is believed to be armed and highly skilled in survival, has been the subject of an intensive multi-agency manhunt across Washington state.

Authorities have uncovered new leads in the search for Travis Decker, the Chelan County man accused of killing his three young daughters.

Officials are urging residents and cabin owners in remote parts of Chelan, Kittitas, King, Snohomish and Okanogan counties to take extra precautions.