An assassin would usually need only one well placed shot to achieve the goal.
Five shots usually indicates an emotional connection, rage, anger, jealousy.
Perhaps the colonel was shot by a jilted lover...............
“jilted lover”
Maybe. IMO, more likely New Frag of angry parents of mobilization soldier.
“How he managed to shoot himself five times with a Makarov pistol remains a mystery. Recall, a month ago in Primorye military commissariat Roman Malyk was found dead in an unexpected place. His body was hanging on the fence. Previously in Penza mobilized broke the lieutenant colonel’s face. Author: Marina Zhuravleva
Or many people