At age 18 , he was the youngest inmate ever imprisoned within its walls .
Instead of serving his time at the Reformatory , Carnes was transferred due to his behavioral problems to Alcatraz in San Francisco Bay .
At age 18 , Carnes was the youngest Carnes ever imprisoned within Reformatory 's walls .
Instead of serving his time at the Reformatory , Carnes was transferred due to his behavioral problems to Alcatraz in San Francisco Bay .