Feds Reviewing Up to 27 Death Penalty Convictions Over Possible FBI Forensics Errors

Responsible for one stay in Mississippi already

An unprecedented federal review of old criminal cases has uncovered as many as 27 death penalty convictions in which FBI forensic experts may have mistakenly linked defendants to crimes with exaggerated scientific testimony, U.S. officials said.

The review led to an 11th-hour stay of execution in Mississippi in May.