mr. partin was involved in the air conditioning business.d a general area where the phone call came from. so we concentrated the search in that area. >> and that is exactly where they found him. >> mr. partin was quite shocked to see detectives. he was taken into custody on a warrant. upon questioning by detectives, he refused most of the questions. he didn't confess. >> but dna finally told the tale. partin's dna matched dna on the hair found on joshan's body. >> this dna just sealed the deal. >> to see whether partin's roommate was involved, investigators searched his suv, and on the front seat found a blood stain. but a test on the blood stain didn't match joshan ashbrook. it was dna from the man's son. the roommate also claimed he was at work in tampa on the night joshan was murdered. an alibi corroborated by his employer. prosecutors believed partin picked up joshan while she was hitchhiking. >> hey, there. >> partin gained joshas trust by having his daughter with him. and by helping her with her errands. the security tapes show the thr