Hayden Panettiere's HOA Warned Residents to Call 911 If They Saw Brian Hickerson

Hayden Panettiere's neighbors were once warned to call 911 immediately if they spotted Brian Hickerson on their property...and TMZ has learned a warning poster with his photo went up after a string of complaints about his alleged behavior. Mia…

Original reporting by TMZ. This page is a summary. The full story, photos, and details live at the link above.