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