. >> in our latest hidden camera operation, this time in rural fortson, georgia, 90 miles south of atlanta, it doesn't surprise united states th us that the chat rooms are full of men who have seen our program. >> did you ever see "to catch a predator"? >> do you think that this is a deterrent in some ways? >> they are not showing up. i mean, they're not coming over because they're afraid it's media. >> dell harvey, her screen name, is a member of perverted justice, who are dedicated to catching online predators. we paid them a consultant fee to do what it usually does, going into chat rooms, posing as 13 to 14-year-olds home alone interested in sex. some decoys pretend to be eager about sex. that's because experts we have spoken to say young teens are often curious, even precocious, when it comes to chatting online about sex without knowing the lifelong repercussions about being molested by an adult. while it's encouraging to hear our investigations have scared off some potential child molesters, others like scooby doo atl 01 doesn't get the message. his real name is dennis collison, a co

a total of 20 men showed up at our house in fortson, georgia. arrested and booked by harris county sheriff, mike jolly, and his team. >> what do you think would have happened had there in fact been a young teenager home alone and had "dateline" and the harris county sheriff's department not been there? >> i believe we would have had some young child sexually abused. no doubt in my mind. >> and there are other adults seemingly on the prowl for sex with a minor. this man shows up in his big rig. >> oh, you made it! hold on just a second. >> this one, a director at a computer software company is playing hooky from work so he can meet a 13-year-old home alone. >> sit down. make yourself at home. >> thank you. >> i'm just getting these out so they don't get wrinkled. >> all right. >> he seems so friendly and polite. the manager at a software company but his online chat tells a different story. >> you know, sex with a minor is called rape. >> right. i understand. >>> when "to catch a predator" continues. [ male announcer ] if you find yourself between