>> could someone else be the real killer? >> i'm wondering what was this man capable of? >> so much tragedy and so much heartbreak. >> it was very emotional for me. >> we just kept waiting for them to figure out they had it wrong. >> reporter: it was the second of >> reporter: it was the second of july, 2008, early evening in a fine old town called prescott, arizona. sun going down, air cooling down to a fine evening warm. here at the town's historic rodeo grounds, refugees from the summer heat in phoenix, 2 hours and 25 degrees away settled into the stands to enjoy the annual exploits of the cowboys. at the very same time, a few miles away on the edge of town, a woman named carol kennedy jogged along a well worn path at