" A second error trap identified by the Innocence Project is false confessions, which contributed to 30 percent of wrongful convictions.12 These are often secured from vulnerable people, who are tricked or intimidated into confessing to crimes they didn’t commit. Juan Rivera, you will remember, was a vulnerable young man with a history of psychological problems who confessed after days of interrogation. Police experts said he had experienced a psychotic episode. "

― Matthew Syed , Black Box Thinking: Why Some People Never Learn from Their Mistakes - But Some Do