paul moore? arrested for the killing of roberto ayala? even knew he was a suspect. >>> pul moore, arrested for the killing? few even knew he was a suspect. mary, paul's cousin and pete's sister, got a barrage of texts at work. >> it was bittersweet. there was a part of me that was relieved that it was over for pete or that he wasn't, you know, mixed in with it. and at the same time i was sad because it was my cousin that we grew up with, you know, and it was part of my family. >> my youngest sister mary called me on the phone and she said, they just arrested paul for the murder of robert ayala. and i was in the middle of the parking lot, and i fell to my knees and just started screaming. >> reporter: but human nature is a funny thing. suspicion once embedded is remarkably resistant to actual evidence that might disprove it. when paul moore was arrested and charged with the murder of roberto ayala, his cousin peter began to experience that particular phenomenon quite personally. around town people still seemed to believe that pete was the