There have been more than two dozen incidents so far this year.
Thieves patrol crowded bars and restaurants and strike when they have the opportunity.
Police are reminding people to not leave their phones unattended and to carry them in front pockets - not back pockets -- and not to keep cash, credit cards or a driver's license in your cellphone case.
READ MORE: New video of suspects linked to vandalism in NYC
Video shows suspects linked to vandalism across New York City
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