>> reporter: police had a suspect in custody. his name was arron lewis. he was an unemployed truck driver who'd been convicted of petty crimes in several states. to beverly's son, carl jr., he didn't look like a kidnapper. >> he just looks like a regular guy. and so it was like, "what did this punk want with my mom?" like, it didn't make sense. and so i almost was like, "are we sure we have the right guy?" >> reporter: detectives believed they did, but the roller coaster ride for beverly carter's family and friends was far from over. >> i can remember the feeling when -- when he was captured, we were just all like, "yes! okay. okay now, where is she? come on." >> uh-huh. >> "where are you? you know, we're ready to find you." >> reporter: as investigators focused on arron lewis, they backed off on beverly's husband as a suspect. now, detective allison was keeping carl in the loop. >> he said, "maybe we got him." and i said, "well, where's beverly?" he said, "we're still questioning him. we're -- gonna find out. we're gonna keep -- we're gonna keep on till we find her."