A New York City police officer was ambushed and killed in the Bronx on the Fourth of July by a man who reportedly had made threats towards police on Facebook. Officer Miosotis Familia, a mother of three, was on duty in a mobile command post Tuesday night when she was shot at close range by Alexander Bonds. Bonds, whose girlfriend had alerted police to his erratic behavior earlier in the evening, subsequently was shot and killed by officers responding to the incident. A report from the New York Times says that Officer Familia was the first female NYPD officer to be killed in the line of duty since the September 11 terrorist attacks. Keep reading for more news.