David J. Renz is accused of killing a librarian and raping her 10-year-old daughter . CNN 's Lorenzo Ferrigno contributed to this report . He abducted the pair as they left a gymnastics class in upstate New York , police say . The suspect was arrested after he allegedly attacked his wife at their home on Monday morning. Probation office was not alerted because he reconnected the anklet so fast , officer says .
David J. Renz is accused of killing a librarian and raping her 10-year-old daughter . He abducted the pair as they left a gymnastics class in upstate New York , police say . The suspect was arrested after he allegedly attacked his wife at their home on Monday morning. Probation office was not alerted because he reconnected the anklet so fast , officer says .