Related to the issue of plea bargains which may involve people under pressure to plead guilty regardless of actual guilt we also have research into the reasons why people may confess to crimes despite their innocence.
But more than 40 others have given confessions since 1976 that DNA evidence later showed were false, according to records compiled by Brandon L. Garrett, a professor at the University of Virginia School of Law. Experts have long known that some kinds of people — including the mentally impaired, the mentally ill, the young and the easily led — are the likeliest to be induced to confess. There are also people like Mr. Lowery, who says he was just pressed beyond endurance by persistent interrogators.
New research shows how people who were apparently uninvolved in a crime could provide such a detailed account of what occurred, allowing prosecutors to claim that only the defendant could have committed the crime.