Transcript for Lottery Investigation in Florida

Inside the lottery ticket investigation in Florida store owners winning big prizes again and again so how do you know if they're telling you the truth when they tell you your ticket didn't win. Here's ABC's -- government teaming up with the team at WFTS tonight. Tonight a Florida lottery looking for payback arresting -- including these two women here in South Florida in just the past 48 now reports. Boarded a sweeping investigation. Of nearly 100 Florida retailers for possible lottery fraud. That after discovering that of the top ten winners it scratch off games in the Tampa Bay Area. Nine were convenience store owners retailers like -- Parma. Who won dozens of jackpots including six jackpots in -- single day. He has not been charged with a crime and others so -- won 38 times for about 50000 dollars. It's been four years maybe. How much money have you put into it you think maybe sixties. -- a lottery zip down a badge of yesterday's. Next time you plan we encourage use tiny -- immediately upon purchase. Encouraging people to sign their tickets so no one else could claim them. Experts say some clerks may be -- -- but others around the country from California to New York. Have been caught playing their customers. Like this clerk in Syracuse -- you were convicted of swindling a customer telling him he had 85000. Dollar ticket. -- it was really worth. Five million dollars or this clerk in Long Island new -- told us customers winning ticket was only worth a thousand dollars when he was actually worth a cool million. If you have a winning ticket you don't have to give it to the clerk with these scanning machines -- for. -- right there wait a couple seconds and this machine will tell you -- you've won. Or my case not well some clerks may lie. Computer does. Matt Gutman ABC news plan.

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