David Hess was just 17 years old when he died at a Philly reform school. His death was ruled a homicide, but no one was ever arrested or charged. Now, a new state investigation could change that.

David Hess was just 17 years old when he died at a Philly reform school. His death was ruled a homicide, but no one was ever arrested or charged. Now, a new state investigation could change that.