Travis Mullis was executed by lethal injection on Tuesday for the murder of his three-month-old son, who he sexually assaulted before stomping to death in 2005

A Texas man who waived his right to appeal his death sentence has received a lethal injection for killing his 3-month-old son more than 16 years ago.

A Texas man who had waived his right to appeal his death sentence was put to death Tuesday evening for killing his 3-month-old son more than 16 years ago, one of five executions scheduled within a week's time in the U.