A Nassau judge Tuesday sentenced a Roosevelt man to 20 years in prison in connection with what prosecutors called a one-man "crime wave" that targeted mostly cabdrivers and included two shootings.

Ezekiel Pittman, 21, had pleaded guilty in April to robbery, assault, attempted robbery and attempted assault charges. Prosecutors said that in August 2013, Pittman opened fire on two victims in separate shootings, one during a robbery in Roosevelt that left a cabdriver with a bullet still in his body after his hospital release.

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In the other shooting, prosecutors said Pittman shot a man in Hempstead after asking him for change and marijuana, leaving the victim with kidney and lung damage. That victim underwent surgery a few months later to remove the bullet because it had lodged closely to his spine, according to the Nassau district attorney's office.

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That same month, Pittman also tried to rob a cabbie in Hempstead at gunpoint, but the driver fled, according to authorities. A day later, the defendant hit another cabdriver near his left eye with a gun during a robbery in Roosevelt where he made off with about $200, prosecutors said.

In a statement Tuesday, acting District Attorney Madeline Singas said Pittman would "spend many years behind bars paying for these crimes" after what she called a crime wave that "wreaked havoc" in Hempstead and Roosevelt.

Defense attorney Karl Seman said his client hoped to get vocational training and rehabilitative services in prison.

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"He's taken full responsibility for his actions," the Garden City lawyer said.