The incident took place around 12:39 p.m., Tuesday, Nov. 17, in Cortlandt, said New York State Police Trooper AJ Hicks.
According to Hicks, state police and the Westchester County Police Department units responded to a 911 call for a robbery on Watch Hill Road in the town of Cortlandt.
An investigation found the boy arranged to meet another juvenile in order to sell a vape pen and then robbed that individual at knifepoint.
The boy was charged with robbery and arraigned before being released to his parents.
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