Police from Escondido and nearby Oceanside also questioned Joshua Treadway and Aaron Houser, two 15-year-old friends of Michael Crowe. Houser had a collection of knives; one of them was reported missing by Houser's parents. It turned up at Treadway's house; he said he had taken it from Houser. Police took Treadway to police headquarters and questioned him continuously for eleven hours from 9 p.m. that day until 8.a.m. the next, telling him that they believed his knife was the murder weapon. They interrogated him again two weeks later, a 10-hour interview during which Treadway gave a detailed confession to participating in the murder with the other two boys. Treadway was then arrested.