Dad of girlfriend : I 'm glad justice finally came -- before he hurt my daughter '' Savio arrested in the slaying of his fourth wife , Peterson . Renewed interest in Drew Peterson 's death came after Peterson 's third wife disappeared . Brodsky said in a written statement that prosecutors wo n't be able to prove their case because `` he did n't do it . '' Peterson , through his attorney , denies any wrongdoing in either case .
Dad of girlfriend : I 'm glad justice finally came -- before he hurt my daughter '' Savio arrested in the slaying of his fourth wife , Peterson . Renewed interest in Drew Peterson 's death came after Peterson 's third wife disappeared . Peterson , through his attorney , denies any wrongdoing in either case .