Zach Hickerson

Hayden Panettiere had a bag full of medication when she died suddenly on Sunday ... and her boyfriend showed the meds to cops. According to the police report ... Hayden's boyfriend, Brian Hickerson, and his brother, Zach, were in the Greenville, SC, apartment when she died ... and Brian showed…

Hayden Panettiere's boyfriend Brian Hickerson and his brother were at the scene when the actress was found dead Sunday, according to police. A police report cited by NBC News says Brian and Zach Hickerson were inside the South Carolina apartment complex when she went into cardiac arrest. Zach was…