When Robert Blake's wife was slain, detectives searching her living quarters found foot lockers crammed with letters from "customers" of her mail-order sex scam but decided not to investigate most of them, the lead detective on the case testified. Ronald Ito testified Wednesday that he decided to leave behind most of the letters, which were later discovered by Blake's first attorney, Harland Braun, who publicly revealed them and delivered them to police. Braun contended any of the m...