sentences:  Covington was first exposed to Jehovah's Witnesses through the broadcast sermons of Watch Tower Society President Joseph F. Rutherford on radio station KTSA in San Antonio.He was attracted to the group's teachings, and defended several of its members in Texas courts before being formally baptized as a member in 1934.After Rutherford learned of Covington's successes defending Jehovah's Witnesses, he asked Covington to represent the Society for a case before the US Supreme Court.