Could Convicted Serial Killer William Heirens Be Innocent?

I’ve written about more than my share of serial killers but William Heirens may be the first one who was actually innocent. Dubbed the Lipstick killer for a note he allegedly wrote at one of the crime scenes in 1945, he was the longest serving inmate in the U.S. prison system.
Bill Heirens confessed to three murders, including 43-year-old Josephine Ross and…