And I think it takes going to a clinic to get a DNA test or going on a daytime talk show but New York City you can just walk up to an RV called Hoosier daddy truck. Get your DNA analyzed Eyewitness... See More
And I think it takes going to a clinic to get a DNA test or going on a daytime talk show but New York City you can just walk up to an RV called Hoosier daddy truck. Get your DNA analyzed Eyewitness News reporter caroling -- has Mormon man behind a very profitable business. -- People can't help but not pictures and giggle when they -- the hearts have been through your daddy -- in their neighborhood. If that music dad I'm -- And then and -- part -- -- a lot of people out there on the bottom wondering did. Health streets mobile DNA testing our -- -- city streets selling tests. To men who fear they may not really be your kids that. Here Roosevelt park -- any part of this afternoon says most times the emotions are overwhelming. Here there at the moment where they're finding out something that change you. Yeah yeah and it's it's dry nights this emotional. Rosenthal -- clients -- filled out paperwork and takes photographs three adults. Our legal and holed up in court. Test costs about 350 dollars. And don't be surprised to see -- who's your daddy truck anywhere in the Five Boroughs. And after that initial reaction of photo taking little little little laughing people -- you know why. It's quick convenient and private. Roosevelt delivered the news -- person on the phone or by mail in about three days as the talks took apparent that he says. This is real life. We will never see that you know what we see is his dad's -- really warm and take care of their child. In east Harlem on -- lead channel seven Eyewitness News.
This transcript has been automatically generated and may not be 100% accurate.