Published: Jul 12, 2013 10:49 AM EDT

MIAMI (AP) - A South Florida man convicted in an illegal check-cashing scheme won't get a new trial despite claims of perjury from a key figure in the NCAA investigation of the University of Miami.
    
U.S. District Judge Joan Lenard ruled against imprisoned La Bamba check-cashing owner Juan Rene Cano. Nevin Shapiro had written the judge admitting he committed perjury while testifying during Cano's trial. Cano's lawyer says that raised questions about whether Cano received a fair trial.
    
Cano is serving an 18-year prison sentence for failure to properly report $132 million in transactions.
    
Shapiro is also in prison, serving a 20-year sentence for his $930 million scam involving a grocery brokerage business.
    
The NCAA is investigating Shapiro's claims he gave impermissible benefits to Miami athletes.

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