AP: Police said a teenager who botched a robbery at a Salt Lake City convenience store asked the clerk not to tell his mom.

Salt Lake City police said the teen went into the store early Saturday morning and approached the counter with several items. As the clerk rung them up, the teen tried to sneak behind him and hold a knife to his neck. The clerk spun around with his hands up and smacked the teen in the face, knocking him to the floor.

The teen then asked the clerk not to call the police and then added "Don't tell my mom" before he fled.

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