Wasnt Comprehending News Today

And they found his dna under that nail and on the cord she was strangled with. >> 100 parse match. 100% match. >> so now detective davis played his hand. >> i think you were there when this went down. and i think you had something to do with it. >> reporter: and matt exploded, a stream of loud and determined denials. >> i didnt kill her. i dont know who did it. i wasnt [ bleep ] there that night. i wouldnt be able to watch my uncle harry basically collapse over the body of his daughter at the fu...

>> reporter: he tried. but even at jessykas funeral her son, then just 6 years old, didnt seem to comprehend. what was that like for you? >> it was horrible, especially with her being right there, and he still wasnt comprehending that she -- that she wasnt with us anymore. >> reporter: that was when the detectives were tracking down -- well, they didnt know who. the sisters ex, the guy whod been charged with assault, had a solid alibi. but what about the men whod attended jessykas small parties?...