. >> reporter: the boogey man was travis forbes, the last person to have known to see kenia monge alivehad ramped up detective gerlai's suspicions, even though his actions didn't warrant an arrest. then kenia wasn't the only one missing. so was travis. >> i couldn't find him anywhere. i was scrambling to find him. i would put out a teletype on line for law enforcement saying, you find any bodies, give me a call. >> reporter: this guy was that dangerous in your mind? >> i was calling everybody. i wanted to find out where he was. >> reporter: days passed and a week. no sign of travis. detective gerlai was now working the case almost 24/7. even his wife was involved. >> there were nights where i would jump out of bed and it would scare her because i would jump out of bed and grab the phone and she would say, did you hear the phone ring? and i said, no, i'm leaving myself a message because i need to do this. she said, you talk in your sleep about it. kenia's name or even travis' name. you're obsessed. >> reporter: kenia's family wasn't sleeping much, either. >> i thought that she might have