The suspect has struck at least four bars since September, police said.
The app, BP Assist, lets users report quality of life issues to Borough Hall.
Police said an 18-year-old man robbed five teens for their iPhones and an iPod since early October.
The victim had his cellphone and wallet taken in St. George, police said.
Both men were punched in the face before the suspects took their cellphones and fled, police said.
Designer items and medication worth thousands of dollars were stolen from two cars on Charlton St.
Police said three men stole a woman's purse at the Hotel Chantelle on Sept. 20.
"The Intern," starring Anne Hathaway and Robert De Niro, was filming in Cobble Hill when it was robbed.
The attackers beat the four victims and stole cash and valuables early Sunday, police said.
Two people had their wallets stolen hours apart while they played sports on Pier 25, police said.
Yaroslav Kolchin, 24, was arrested Sunday for scaling the Brooklyn Bridge, police said.
A woman walking her dog while pushing a baby stroller had her iPhone stolen.
Police arrested three people for the attack on a 15-year-old at Battery Place and Greenwich Street.
A 20-year-old man and a 21-year-old woman were held up at gunpoint inside Fort Greene Park.
Noel Estevez, 14, told police that classmate Timothy Crump, 14, attacked him.
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