Published: Feb 19, 2013 10:05 AM EST

CLEARWATER, Fla. (AP) - A Pinellas County Sheriff's deputy has resigned over allegations of misconduct including picking up a prostitute.
    
The Tampa Bay Times (http://bit.ly/130Y6SP ) reports that Deputy Robert Johnson resigned Monday after an internal investigation found that he lied to detectives about his actions Sept. 12. That's when Clearwater police saw him picking up a prostitute.
    
The investigation also found that Johnson violated policy by leaving work early and telling his ex-wife that she was being investigation for doctor shopping.
    
None of the incidents resulted in criminal charges. But sheriff's officials say Johnson's actions damaged his integrity and could have compromised a criminal investigation.
    
The Times reports Johnson told police he was giving the prostitute a ride home after seeing her running like she were trying to get away from someone.
    
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Information from: Tampa Bay Times (St. Petersburg, Fla.), http://www.tampabay.com.

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