There’s the problem ... the Keltic probably misfired.
When McAuliffe got hold of the pistol, he stood up, Pannaman said, and declared, “I’m going to shoot you with your flare gun.”
“Sir,” Pannaman said, “it’s not a flare gun. It’s a real gun.”
A flare gun can kill people too, this a hole should be charged with attempted murder and locked away in a tiny cell for many years