Do not think for a minute that you can trust a police officer who seems to be open minded and undecided about whether he will arrest you after you are finished with an “interview”—the police are trained to act that way, to get you to talk with them for many hours until you finally give up in exhaustion. The most recent and comprehensive investigation, which took a careful look at 250 prisoners exonerated by DNA evidence, found that 16 percent of them made what’s called a false confession: admitting their commission of a crime that they did not commit.
