To his employees he’s known as “Father G,” “G-Dog” or simply “G.” To everyone else he’s Jesuit Father Gregory Boyle, a white-bearded priest who runs the country’s largest intervention program for gang members. Fr. Boyle’s new book, Tattoos on the Heart: The Power of Boundless Compassion, is a collection of stories and essays from 20 years of working with at-risk risk youth. Boyle was recently interviewed by the the nation’s leading religion news magazine on public radio, Interfaith Voices, about his new book and his vocation working with and helping the former gang members of Los Angeles that seek out ministry. Go here to listen to the radio interview.