Visible crew/equipment: During the fight sequence "The Last Two" between the remaining Treadstone agents, after Bourne is first shoved into the venetian blinds, look on the lower right corner (behind the wall) for a camera operator's hands and the lens hood of their respective camera. (00:41:40)
Visible crew/equipment: At the beginning of the film, the top of a crew member's head is reflected in the mirror of the bathroom cabinet as Jason closes it. (00:02:15)
Chosen answer: They frame Bourne because Borne was actually the one who killed Neski and his wife (he was doing it on Conklin's orders). Once Pam Landy does some digging, she will realize this; then it's a simple matter of putting two and two together - the man who killed Neski would obviously have a huge motive for covering up his crime. This is why Abbot and Gretski frame Bourne: he's the perfect fall guy.