Here’s a podcast from Scientific American‘s series called “60-second Psych” on false confessions. They relate a study published in the journal of Psychological Science.
According to the Innocence Project, false confessions contributed to 25% of wrongful convictions in the U.S. in 2008…
Despite the presumption in law that different types of evidence are to be considered independent, this research shows just how tough it is to keep human nature from seeping in and tainting hard logic.
More information can be found on false confessions here.