A 12-year-old has tragically passed away following an alleged school bullying incident - leading police to open up a homicide investigation. On Friday, Elma Chuquipa claimed to KTLA that her daughter, Khimberly Zavaleta Chuquipa, was attacked in the hallway of Reseda High by another 12-year-old girl who threw a metal water bottle at her head this month. Khimberly was taken to the emergency room for her injuries afterward. However, the family said she was sent home.