A Superior Court judge on Friday sentenced ex-Newark cop Jovanny Crespo to consecutive prison sentences totaling 27 years in prison for shooting two men during a frenzied car chase through the city’s Central Ward in January 2019 that left one man dead and wounded the other. Citing the need to deter police officers from what he called a “shoot first, ask questions later” mentality, Judge Michael L. Ravin sentenced Crespo to 20 years for fatally shooting the driver in the car chase, Gregory Griffin and another seven years for wounding the passenger Andrew J. Dixon, both of Newark. The judge addi…