🚨#BREAKING: Watch dramatic footage showing the moment a gunman could be seen waving around a weapon before opening multiple rounds along a busy street 📌#Cambridge | #MassachusettsWatch wild footage captured by a nearby witness showing the terrifying moment 46-year-old Tyler Brown, who reportedly has a criminal history spanning nearly 20 years including prior firearm and drug convictions, opened fire along busy Memorial Drive in Cambridge Massachusetts Monday afternoon, triggering a massive pol

BREAKING : Video footage released by USA Today shows teens Cain Clark, 17, and Caleb Velasquez, 18, firing from a vehicle outside the Islamic Centre of San Diego during the May 18 attack.The pair live-streamed the shooting, killing 3 people including a security guard and two school staff members before dying from self-inflicted gunshot wounds.Investigators say neo-Nazi symbols and a manifesto linked to Christchurch attacker Brenton Tarrant were found.