>> i saw him with law enforcement. he had many different sides. >> i'm leaving. i'm getting out of here. god almighty. >> he thought he was the smartest bear in the woods. >> definitely. >> smarter than the officers apprehending him. >> definitely. definitely. >> they now had numerous hilton sightings around where sheryl dunlap vanished. but, despite all the investigative work by multiple sheriff's offices and the fdle, no witness came forward to put him together with sheryl dunlap. the nurse's remains were in such poor condition they told investigators nothing about how she died. but there were thousands of other pieces in the puzzle investigators were trying to solve. hilton's van jammed to the roof with hundreds of items was trucked to the florida department of law enforcement crime lab. >> our crime scene analysts spent day and night literally, weeks. >> that van was a mess, right? >> she lived in that van for weeks. she dismantled that van. >> all that evidence from the van was added to items recovered from the dumpster outside