Travis Decker remained missing despite a multi-jurisdictional manhunt in effect for the 32-year old father and U.S. Army veteran.

The sheriff's office leading the search, which has covered hundreds of square miles, said it has reached the point “where we need to rest our local resources.”

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.

More than 100 officers and agents and helicopters have joined the intensified search for Travis Decker, suspected of killing his three daughters in Washington state.

Travis Decker is wanted in the deaths of his daughters, who were found near a campground east of Seattle after he failed to bring them home from a visitation.

In an update Tuesday from authorities in Washington, law enforcement said they tracked a person believed to be Travis Decker. The man, who is originally from Pewaukee, is wanted in the deaths of his three daughters.

The man accused of firing an AR-style rifle at Thurston County deputies in May is back in Washington after he fled to Nevada, leading local and federal law enforcement on a days-long manhunt.

Officials said anyone residing in the area or staying in cabins should lock their doors and cars and check footage from cameras.

National Guard assets are being deployed in Washington state to expand the search for Travis Decker, who is accused of killing his three young daughters, Gov. Bob Ferguson, D-Wash., confirmed Saturday.

The Chelan County Sheriff’s Office announced Monday it has handed over the search for Travis Decker to federal authorities, even as sheriff’s detectives continue to lead the investigation into the killings of Decker’s three young daughters.

Investigators have been looking for Travis Decker since May 30. Three days later, a sheriff's deputy discovered the bodies of his three young daughters.