the regional center. police say farook was an inspector for the department. he abruptly left the party along with ma lick. i heard rapid shooting, boom, boom, boom. reporter: armed with ar-15-style weapons and handguns, they came dressed in tactical gear. family members receiving text messages. shooting, in my office wait for cops. reporter: this was the frightening scene inside. if you re not cool, if you re not cool reporter: dozens of employees led to safety by police officer. try to relax, try to relax, i ll take a bullet before you do, that s for [ bleep ]. reporter: the shooters killing 14, wounding 17 more. the pair prompting police to