Atascadero man with a BB gun prompts school lockdown May 11, 2021 By JOSH FRIEDMAN Local officials placed Atascadero Middle School on lockdown Monday afternoon after a man was walking nearby brandishing a BB gun that was initially thought to be a rifle. Shortly before 2 p.m, a 911 caller reported a man with a rifle had entered the creek behind Atascadero Middle School. Officers arrived at the scene and were told the man had approached a resident on Capistrano Avenue while carrying a weapon that looked like a rife. The suspect then fled toward the creek, according to the Atascadero Police Department.