we called him joe venegas to his face when we talked to him.ected us and told us he was not joe venegas, but he was in fact lou castro. so he went back to his old -- old identity. >> reporter: was he shaky to see law enforcement at his front door? >> i didn't think so. >> he was confident that he was gonna be able to explain away why we were there. >> reporter: the officers arrested him, charged him and searched the property. what'd you find in the house? >> normal things. we found paper documents. we found computers. we found 11 -- weapons, guns inside the house. >> reporter: any smoking guns? >> no. >> reporter: emily had been on her way home from school when she got a call from detective goodwyn. >> and he said, "emily, where you are?" and i said, "i don't know who you are?" he said, "i'm detective goodwin. where are you?" he said, "you need to come home." >> reporter: first time you heard that name, goodwyn, huh? >> i showed up and goodwyn and sullivan came out and i just about fainted. and goodwyn had to practically carry me into the house