Mohamed Abdalla Mahmoud, 37, had gotten into an argument with his boss, the store manager, at a Ross Dress for Less location in the southern Las Vegas Valley on Saturday. Mahmoud then left the store and returned with a gun. Police believe the incident was an isolated act of workplace violence. The store’s manager was not shot. Bryon Bunitsky, a police officer who responded to the scene, shot Mahmoud as he ran outside and began firing at arriving cops. Mahmoud, who was wounded, underwent surgery and survived. Original Article: www.dailymail.co.uk/news/article-6069543/Footage-shows-police-officer-opening-fire-gunman-shot-boss-argument.html Original Video: www.dailymail.co.uk/video/news/video-1746462/Video-Cops-shoots-man-fired-threatening-boss.html Daily Mail Facebook: facebook.com/dailymail Daily Mail IG: instagram.com/dailymail Daily Mail Snap: www.snapchat.com/discover/Daily-Mail/8392137033 Daily Mail Twitter: twitter.com/MailOnline Daily Mail Pinterest: pinterest.co.uk/dailymail Daily Mail Google+: plus.google.com/+DailyMail Get the free Daily Mail mobile app: dailymail.co.uk/mobile