Sams Mom News Today : Breaking News, Live Updates & Top Stories | Vimarsana

So, what are your predictions? >> i predict that sam will let him right in. >> how would you feel about it if he does let john right in? >> bad. i'm already getting upset, like i didn't do the right thing. >> reporter: now, our hidden cameras are rolling and we are watching as john, the contractor, walks up to their house. [ door bell rings ] will sam remember what to do? or will he let him inside? >> my heart's pounding. coming up, sam's mom has told him the rules. >> i've told him to hide. i have told him not to answer the door when i'm not home. for no one. >> but when he sees the friendl...

>> hey, what's up, sam, right? >> yeah. >> how's it going, man? everything good? i need to take a quick estimate for the air duct cleaning tomorrow in the back. can you tell me where the kitchen is? >> um, sure. >> yeah, thanks, man. just in the back for tomorrow. >> it'hes hard to see that. >> he didn't even hesitate. just opened the door wide open. i hoped he would say let me call my mom. you till them and you tell them and you tell them. and they don't listen until you show them. >> mm-hmm. >> i think this is really important. >> hard but important. >> yeah. >> reporter: it's time for this ...

We set up our test this way. >> had is terrific, man. >> reporter: because most child pled doors respect strangers, but people kids have met. sam thinks his mom is out running errands. time to find out what he will do as we testimony our actor to go ring the door bell. >> my heart's pounding. >> yeah. [ door bell rings ] i have told him to hide. i have told him not to answer the door when i'm not home. >> yeah. >> for no one. not even the neighbor.

Hi. how are you? >> good, how are you? >> you may be wondering why all these tv cameras are here, light? i'm natalie and we are doing a show called "my kid would never go that." >> hmm. >> john, the contractor, the guy you know, he is really corey, an actor. >> oh, i did bad, didn't i? >> sam said he thought john could be trusted. >> he seemed like a nice guy but i sort of realize now that sometimes nice guys can be very bad ones. >> do you want to tell sam how you felt when he opened that door and what your reaction was? >> my heart was pounding and i started to cry. >> aw. it's all right. >>...

>> reporter: we instructed our actor to be friendly, establish a rapport. he praises sam's artwork. >> this is terrific, man. >> thanks. >> reporter: then, a few days later, sam's mom tells him she is going out to run errands. >> love you. okay. love you, too. >> reporter: she leaves him alone in the house, but she really joins me in the watch mobile, parked right around the corner. >> you can tell i'm nervous. >> reporter: nervous she hasn't made it clear to her son that just because he has melt someone before doesn't mean he should open the door when he is home alone.