Scheduled Execution (091725) David Pittman Florida Death Row Triple Murder in Mulberry

, DavidPittman, SentencedToDeath David Joseph Pittman (63) is scheduled to be executed in Florida on September 17, 2025 for the 1990 stabbing deaths of his estranged wife s (Marie s) parents, Clarence (61) and Barbara (51) Knowles, and their younger daughter (Marie s sister), Bonnie Knowles (20). Pittman also set the house on fire and then set Bonnie s car on fire after he fled in her vehicle. The Knowles home was located in Mulberry, Florida (Polk County).