Published: Feb 01, 2013 10:46 AM EST

MIAMI (AP) - Jurors have found a convicted sexual predator of beating his cellmate to death in a dormitory at Dade Correctional Institution in Florida City.
    
The Miami Herald (http://hrld.us/WXAZm6 ) reports the jury on Thursday night found 49-year-old Rickey Robinson guilty of second-degree murder in the death of 57-year-old Patrick "Sonny" Salgat in December 2010.
    
Robinson was serving an 18-year sentence for the 1990 sexual battery of a minor.
    
Salgat had been serving life in prison for the fatal shooting of Steve Bolyard, a Santa Rosa County State Attorney's investigator, in June 1990.
    
Robinson's sentencing is scheduled for March 1.
    
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Information from: The Miami Herald, http://www.herald.com

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