in 2009 and 2015. he was fired on july 23rd. the iowa dairy farm that employed the suspect in mollie tibbetts' killing says he got the job using a false identification. the 24-year-old christian riveiera came to the u.s. illegally from mexico. the hiring procedure required a photo identification and social security card. they made a mistake thinking social security employment verification and homeland security system is one of the same. they are not. >> all of us are saddened by the tragic beth death of mollie and realization that one of our coworkers was involved. >> just an hour earlier, he was arraigned for tibbetts' death. last night members of the