Hayden Panettiere’s Neighbor Drops Bombshell on Abusive Ex

Getty/Teton County Sheriff’s Office Hayden Panettiere’s on-again, off-again boyfriend, Brian Hickerson, was allegedly a “terrifying” disturbance to her neighbors. The star, 36, was found dead in the company of Hickerson and his brother Zack in South Carolina on Sunday, from an apparent “overdose,” according to 911 audio obtained by People. Prior to traveling with Hickerson to his home state last week, the actress wrote extensively about the abuse she suffered at his hands over the course of…