The Cross and the SwitchbladeThe tortured face of a young killer, one of seven boys on trial for a brutal murder, started country preacher David Wilkerson on his lonely crusade to the most dangerous streets in the world. Violent gangs ruled by warlords, drug pushers and pimps held the streets of New York's ghettos in an iron grip. It was into this world that David Wilkerson stepped, armed only with the simple message of God's love and the promise of the Holy Spirit's power. Then