The affidavit also says a deputy who was watching Silva's house the night of Dec. 1 saw Silva take things from inside the residence and load them into the back of his truck.
Court documents say an agent got a warrant and searched Lee's home, where he allegedly found a desktop computer in the process of downloading suspected child pornography.
The victim later alleged in a Facebook post that the attack was racially motivated. Laramie police continue to investigate and have not concluded whether racial bias was involved.