No, Daddy, Don't! A Father's Murderous Act Of Revenge.

Case seen on 20/20 "Everybody Loved John. . ." Mary Jean Pearle and John Battaglia's marriage seemed picture perfect from the outside. With their two young daughters, Faith and Liberty, they made their home in a wealthy Dallas suburb. John was handsome, charming, and successful-but behind his mask of normality lay a vicious, violent abuser who'd brutally beaten his first wife-and who made Mary Jean the new target of his irrational rages. Afte...