. >> matt gerald, witnessed the attack, said he would never have imagined his friend and coworker could have done something like this. >> witnessed him shoot the shots. i mean that vivid. >> police say the first law enforcement officer took down the shooter single handedly. the investigation is on-going. the latest in a long list, and really shows no scenes of stopping. >> threats for muslim extremist, that will per pet rate more attacks like this in the future. local 12, rich jeffy is here with some of the answers. >> the answer to that, really for the most part, rests with training. . >> we as individuals, have to push it and we have plants on how to deal. very few places have trained for a killer. businesses are the number one place for active shooters. photographer and i went through the training, one week ago today. lead instructor, bobcat tire, we learned that business and education facilities, are attacks. almost all of them are placed in equal attacks. they are usually over before law enforcement even arrives. that is why it's so important for employees to know what to do. when