The video shows a man holding up a 7-Eleven on Avenue U at Knapp Street in Sheepshead Bay Sunday night.
Surveillance captured the man standing at the counter and pointing a gun at the cashier as he hands over the cash.
The clerk right behind him had no idea they were being robbed.
The gunman took off with the cash, paper towels, and a case of Red Bull.
Police say this same robber also held up the same 7-Eleven on Monday, April 15th and he also hit the Univesrsal Grocery on Avenue U on Thursday, April 18th.
No one was hurt in any of the robberies.
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