Complex sentence: After his release from prison in 1980, Smith founded People Organized to Stop Rape of Imprisoned Persons (POSRIP), since the mid- 1990s known as Stop Prisoner Rape, Inc. (SPR).
Split into simpler sentences: After his release from prison in 1980, Smith founded People Organized to Stop Rape of Imprisoned Persons (POSRIP). In the mid- 1990s, this was incorporated as Stop Prisoner Rape, Inc. (SPR).