Police officer Kyle James McCartin has been arrested and terminated after waving his gun at a convenience store clerk during an alleged drunken brain fart....and it was all caught on video.

The Pima County Sheriffs department said two men approached the clerk wearing bullet proof vests, and appeared to be drunk, that's when McCartin pulled a gun and pointed it at the store employee. Investigators were able to easily identify the man in the video (who never demanded anything) as one of their own... 23-year-old Kyle James McCartin.

McCartin joined the Tucson Police Department in September of 2012 and was still on probation for the job... it didn't work out.

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