Norman Seabrook, left, arrives at federal court in Manhattan for his sentencing hearing on Friday. Photo Credit: Jeff Bachner Former New York City jails union boss Norman Seabrook was sentenced to 58 months in prison for bribe-taking in federal district court in Manhattan on Friday. Seabrook, 58, once one of the city’s most powerful labor leaders, was convicted last year of taking a $60,000 bribe to invest $20 million in Correction Officers Benevolent Association pension money with a hedge fund that later went belly up.