Travis Decker, 32, is wanted on first-degree murder charges in connection with the killings, Wenatchee police said Tuesday. The girls, ages 5, 8 and 9, were found dead Monday after authorities discovered Decker’s truck near a campground roughly 130 miles east of Seattle, police said in a news release.

Three girls who were reported missing over the weekend in Wenatchee after visiting their father were found dead on Monday, according to local police. The father, who is suspected of first degree murder and kidnapping in their deaths, has not been found.

Three Washington girls who were declared missing during a visitation with their father have been found dead. Travis Decker, 32, the father of the three girls, is now wanted for murder, according to a press release from the Wenatchee Police Department.