they belong to a man named rudy guede, an african immigrant's son. >> rudy guede was a drifter, originally from the ivory coast. he partied on student life and was suspected of recent crimes around perugia. >> rudy had a history of knives and violence and break-in. >> he had blood, traces all over the crime scene, left his feces in the toilet. although that degrades dna very rapidly, there was dna out there as well. >> his blood and fingerprints are on her purse. and there are bloody hand prints and blood down the walls of her bedroom. he may have been surprised -- i don't know why he left. he didn't complete the act of rape. i don't know why. she had a tampon in. maybe that's why. >> guede left for germany. he admitted to a friend he had been with meredith that night but claimed he didn't kill her. his connection with amanda, raffaele and meredith was thin at best. >> there's a question about whether amanda and meredith knew him. amanda said i had seen him, but i didn't know his name. >> never met rudy guede. never set eyes on him. didn't know anything about him. >> within days guede was