Robert Knighton

 

Age: 62

 

Summary: Oklahoma man who was convicted of murdering four people in Oklahoma and Missouri in 1990, including the robbery and shooting deaths of Richard and Virginia Denny in their Oklahoma home, who had previously spent 17 years in prison for killing a man in Missouri in the early 1970's.

 

 

Cause of Death: Executed by lethal injection

 

Born: February 5, 1941

 

Died: May 27, 2003

 

Location: McAlester, Oklahoma