SAN JOSE, Calif. One day in 2007, I found myself in the basement of the Contra Costa County Superior Courthouse in Martinez, staring at a partial bloody footprint on the lid of a plastic bin. The footprint looked markedly similar to the tread on the bottom of the teenage boy’s slip-on shoe I held in my hand.
SAN JOSE, Calif. — One day in 2007, I found myself in the basement of the Contra Costa County Superior Courthouse in Martinez, staring at a partial bloody footprint on