In an interview with "48 Hours Mystery," Depp advocates for the release of death row inmate Damien Echols, Jason Baldwin and Jessie Misskelley Jr., who are all serving life sentences for the brutal murders of three 8-year-old boys in West Memphis, Ark., in 1993.
"There's nothing from the crime scene that links Damien or Jason or Jessie to these crimes. There's not a shred of evidence, nothing there, there's no physical evidence," Depp tells correspondent Erin Moriarty.
As Moriarty reports Saturday, Feb 27 at 10 p.m. ET/PT, there are serious questions about the guilt of the men - questions that need to be answered quickly, because Damien Echols could be executed.
When asked if he believes he will walk away from death row one day, Echols replies, "Yes, I do. I belive that with all my heart ... I don't believe that everyone is just gonna sit on their hands and allow them to execute an innocent person."