The deaths of highway patrolmen H. D. Murphy and Edward Bryant near Grapevine on April 1, 1934. An eyewitness account implicating Parker in the murders was later discredited. Barrow Gang member Henry Methvin later admitted that he fired the first shot, after which Barrow joined in. Parker was likely asleep in the car at the time of the encounter. Public outcry over the murders galvanized law enforcement into action, with Governor of Texas Ma Ferguson offering a $500 reward for each of the alleged killers.