When Tina S. meets April, a teenage runaway, she thinks she's found her best friend. She leaves behind her dysfunctional family to join April in the tunnels of Grand Central Station amidst the homeless and drug addicted. Soon she's bingeing on crack - just like April - and stealing, scamming and panhandling to support her habit and to survive on the streets.In her own words, she describes her descent into crack addiction, being raped in the tunnels,...