Published: Nov 17, 2011 5:54 PM EST

TALLAHASSEE, Fla. (AP) - The Florida Supreme Court says 27 frivolous appeals are enough.
    
The justices on Thursday unanimously prohibited a prison inmate from filing any more on his own.
    
They directed their clerk to accept appeals on behalf of Jeffrey Robert Hastings only if filed by a lawyer.
    
Hastings was convicted in 1980 of manslaughter in Palm Beach County for the deaths of six Haitians dumped overboard while being smuggled to Florida.
    
The 61-year-old inmate is serving six consecutive 36-year sentences. He also had been convicted of escape in 1974.
    
The justices join three lower courts that previously banned filings by Hastings.
    
Hastings blamed his repeated court filings on his lack of legal sophistication and failure of the courts to correct his allegedly illegal sentences.

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