Authorities investigating social media threats against San Dimas girl

Investigators are trying to determine who is responsible for making death threats on social media against a middle school student in San Dimas, authorities said. The series of threats and denigrating messages recently posted on Instagram were directed at one particular girl at Lone Hill Middle School, according to the Los Angeles County Sheriff’s Department. The girl, who has not been identified, and her family remain safe. Some of the posts show various photos of the victim with captions such as, “Your life is very short sweetheart, this is you last week! Times up!” and “That smile! I cant wait till its just blood and tears." Sheriff’s...