The two men exchanged words, things escalated, and Hayes opened fire with a .45-calibre pistol, shooting Smith eight times, including seven in the back.
The New Yorker(Apr 15, 2016)
Nine people dead, the shooter using a .45-calibre handgun that he’d reportedly been given by his father for his birthday.
The New Yorker(Jun 19, 2015)
His father had given him a .45-calibre handgun in April as a 21st birthday present.
The Guardian(Jun 19, 2015)