Alan Winston Filion, 18, also threatened bombings, mass shootings
                                
                                
                                    (Newser) -
                                    A California teenager behind hundreds of swatting calls and bomb threats has been sentenced to four years in federal prison. According to a plea agreement, Alan Winston Filion, 18, made more than 375 such calls across the US threatening religious institutions, high schools, historically Black colleges, and even the Pentagon...