Police said Monday that 39-year-old Angel Cintron was arrested on robbery and criminal possession of a weapon charges. It wasn't immediately clear if he had a lawyer.
The suspect first struck on Aug. 16 near Castle Hill and East Tremont avenues.
In the latest incident, police say Cintron used a syringe to threaten a teenager on a No. 1 train near the West 86th Street stop in Manhattan.
No injuries have been reported.
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