A former top exec at Pennsylvania’s Mohegan Sun Pocono casino has been sentenced to nearly three years in prison for his role in a scam that took the casino for over $422k.

On Friday, Robert Joseph Pellegrini, who acted as the Pocono casino’s VP of player development until his January 2016 arrest, was sentenced to 32 months in jail and ordered to make restitution to the casino for the money he and his co-conspirators stole via an elaborate free-play slots scam.

The 51-year-old Pellegrini was originally charged with theft, identify theft, fraud, conspiracy, computer trespassing but ultimately agreed to plead guilty to a single charge of money laundering. Mark Heltzel, Pellegrini’s accomplice, pled guilty to the same charge last October.

The scam involved Pellegrini using real Pocono casino customers’ players reward IDs to create bogus reward cards loaded with a total of over $478k in free slots credits. Heltzel, a longtime Pocono customer, used the cards to gamble with the house’s money, then split the winnings with Pellegrini and a Pocono beverage server.