russo. she found it so terrifying to testify, but did. >> i did not expect for patrick anthony russo to be sittingithin 10 to 12 feet. and having to testify with that man looking at me, it was petrifying. >> reporter: and most unsettling when she noticed something all too familiar. >> now i'm glaring at russo, and what does he do? he starts that tick in his neck, starts that popping. and i raised my hand up and said, there he goes, he's doing it right now. >> reporter: the state called his victims from earlier years including donna, the young apartment manager he attacked in lake jackson, texas. >> this phone call out of the blue after all of that time. >> reporter: she was not only surprised, she was angry. very angry. >> why did that have to happen? why does someone have to be killed before this man was stopped? >> reporter: and the emotions of that whole ugly ordeal flooded right back. >> my heart started racing. it was just being terrified all over again. just like being blindsided. >> reporter: but some of the compelling evidence came courtesy of tony's first wife. as he'd been married once b