document: Upon exit , Nassau 's Mulvey tips hat to Mangano Today , Nassau County 's twelfth police commissioner , Lawrence Mulvey , will finish cleaning out his second-floor office at the department 's headquarters in Mineola . During nearly two hours he spent with Newsday earlier this week , he provided insight into how a political appointee of a Democratic county executive survived for 16 months under a Republican county exec . Mulvey , ...
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