>> in the house? >> it would be messy. >> reporter: she didn't need to worry about because her husband is still alive. the guy she's talking to on the right hand, he is an undercover police officer. so why not just divorce her husband? well, there was the insurance money to be had if they were dead. and then there were his feelings to consider. >> divorcing him, i didn't want to worry about the judgment of my family, i didn't have to worry about breaking his heart, stuff like this, if i got a clean getaway. >> reporter: not so clean after all. she is now serving a sentence, at least five years and eight months. hiring the wrong guy turns out to be a costly but not uncommon mistake. >> what they do is they step to a friend or associate or someone that they knew in their past. and what happens in the vast majority of the time, the person they step to goes to law enforcement. >> really? they get ratted out? >> i'm 5,000% sure. >> reporter: that's what happened to delia dippolito in