Prosecutors have asked a judge to drop the arrest warrant for suspected child killer Travis Decker after the U.S. Marshals Service said he was dead .
Remains and clothing believed to belong to Decker were found in a wooded area in central Washington State last week, but DNA results are still pending. Chelan County Sheriff Mike Morrison told the Seattle Times the results are expected this week .
Morrison said the Marshals Service announcement could be premature and the case is not closed. He added that the DNA test should disprove a theory that Decker had killed a person and switched clothes to slow down his searchers.
Authorities have been looking for Decker since his three daughters — 9-year-old Paityn, 8-year-old Evelyn and 5-year-old Olivia — were found dead at a campground near