ABC news exclusive you're going to go inside a real life crime drama taking place across America. The secret world of hit -- for higher tonight men and women caught on camera no idea -- supposed... See More
ABC news exclusive you're going to go inside a real life crime drama taking place across America. The secret world of hit -- for higher tonight men and women caught on camera no idea -- supposed killers they've hired. Our undercover agents and ABC's David here is behind the scenes to show us who's doing the hiring. The numbers tonight stunning in just the last month more than thirty cases of murder for hire making headlines in America. And those are just the ones. Palmer just listen to this what do you want. Almost anymore and that. This husband who wants it done quickly. Business. -- and the Michigan -- who wants her husband gone just don't do it in the house and leniency. And from all over the country -- hired to kill. Forty planes getting into cars and for the first time coming forward. As a group. Sitting down exclusively with ABC news revealing their secret. They are really undercover federal agent posing as he -- -- ATF headquarters and we brought makeup artists. The food they put on their faces molds are linked to the Internet -- -- noses cheeks facial hair and we have never seen an entrance like this. And tonight -- exclusive surveillance from their cases including the suburban soccer mom wants -- -- other woman dead. Sitting in a supermarket parking lot she has no idea -- the fifth man in the car with Kirk is a federal agent. -- played everything -- after my head a million times do I want the car -- the lot. -- way do I want someone to come up and figure out do I want need to go into the back with Mike I don't know and take the -- -- In just a few -- away a team of agents listening to -- so the whole time their shoppers in the parking lot and there's a murder being plant and she's planning counselors. Murder for hire America during a lunch break. I wouldn't care unit in a horrible horrible horrible car accident continent mangled up. She also. Once proof. Good -- you know it's. Yeah. Definitely I will be happy when that woman is dead and buried and -- -- It didn't like here for the first time and seemed agents showed up at yeah still uncomfortable telling created deed was done. She's math and social into the work. And tonight all over America the other plus. The Massachusetts husband who wants his beautiful flight from Boston doctor dead. Just look at the six smiled when he hears the deed is done -- -- You won't believe what he's -- -- still very much alive is planning for him. And in fact just hours from now you'll see what happens to him next and -- suburban soccer mom who wants to go to that funeral. Cameras rolling -- and all and don't forget these agents are fathers their husbands themselves putting their lives in danger and Diane their families telling us. They didn't even recognize their husbands their own fathers but those noses here changed but the -- saving lives tonight across America. And it's a riveting story you can -- the exclusive report tonight on special 20/20 murder for hire at 10 o'clock eastern thanks David.
This transcript has been automatically generated and may not be 100% accurate.