I could be wrong but can't one be diagnosed with such from any overly traumatic experience? If so prison would indeed be enough if one saw enough or experienced something there bad enough to scar them. Death is death. Rape is rape. Torture is torture. etc. etc. Regardless of where bad **** happens, it's still bad ****.

Well never mind, I answered my own question with the link below.

Post-traumatic stress disorder (PTSD) Causes - Diseases and Conditions - Mayo Clinic

Sirscrapalot - ==== * the more you know!