. >> paying with fake money -- that is what elena conigliaro is accused of -- ripping off >> we got scanned. >> jennifer remembers a well -- one of her workers accepted this bill -- a marker identified the bill as legitimate but it was a five dollar bill disguised to look like 100. >> it look like it. it was in it. plain and simple. >> leader that date should be the sign of -- the small business took a hit -- they are getting the money back. >> elaine, we want to ask you a couple of questions we >> they caught up with her on a side street -- how many times have you done this? >> none of your business. >> why did you think you could get away with that? >> it's a federal crime. >> yes. >> they found case after case all over the boston area. here at the plaza we found everything from an organized ring to a teenager trying to buy a pizza with a fake $20 bill. >> the people that you catch are usually the lowest level -- not the ones that when you factor or produce the product. >> in recent months the feds seized one quarter million dollars in miami that originated in peru. at jfk fake $100 bills