Mary Barr is a former crack cocaine addict and prostitute who now works as a lecturer at John Jay College of Criminal Justice and as an advocate for addicts and sex workers. During Mary's time on the streets, she was arrested 50 times in 5 years, beaten, stabbed, raped, and left for dead. All the while, she was battling a crippling addiction, which eventually resulted in the loss of her children to Child Protective Services. A chance encounter with a social worker at Riker's Island Prison opened the door to her recovery when she was told, simply, "you don't have to live like this anymore."