Local Man Jailed After Shooting At Son

A 63-year-old Tuscaloosa man was arrested after his 40-year-old son reported that his father was trying to shoot him.
According to al.com the suspect’s 40-year-old son called police saying his dad, Johnny Craig, was trying to shoot him.The son was not hurt during the incident.
Patrol officers stopped Craig on University Boulevard shortly after he left the scene of the shooting and found him with a gun in his possession.

He has been charged with attempted murder in the case. With that in mind, what did the son do to make his father shoot at him?

Most parents want to protect their children not shoot them. I know I've made my parents want to shoot me but they didn't, so what happened in this case?