Father fights to save son who killed wife and youngest son

This undated file photo provided by the Texas Department of Criminal Justice shows death row inmate Thomas WhitakerThe heartsick father of a Texas man who slaughtered his younger brother and mother in hopes to obtain a hefty inheritance payout is pleading state officials to halt the execution of his son.Dad Kent Whitaker is the sole survivor of the 2003 deadly incident that took the lives of his college-aged son, Kevin, and wife, Tricia inside their Sugar Land home fifteen years ago.Now...