Creating a High-Quality Criminal Justice System | John Hollway | TEDxPenn

[Music] I'd like you to meet Marshall Hail. In 1984, Mr. . Hail, then 24 years old, was arrested, charged, and convicted for the rape of a teenage girl in Philadelphia.33 years later, in 2017, the Philadelphia District Attorney's Office re reviewed removed all charges for Mr. . Mr. . Hail and moved for his immediate release on the basis of a blood test that showed conclusively that Mr.. Hail was not in fact the rapist. The blood test that secured Mr. . Hail's release was actually conducted by the Philadelph ...