NEW YORK (CBSNewYork) – Police are searching for a man they say groped a woman in Brooklyn and then claimed to be a police officer.

It happened around 4:40 a.m. on May 12 at an apartment building near Clarkson and Rogers Avenues in Prospect Lefferts Gardens.

READ MORE: Federal Child Tax Credit Program Expanding: What You Need To Know To Get Your Benefit

Police said the suspect was on the roof, then reached into an open second-floor window and groped the 21-year-old victim as she was asleep in bed. When she awoke, he allegedly  claimed to be a cop and asked if he could join her.

READ MORE: New Video: Off-Duty NYPD Officer Bashed With Wooden Stick In Bronx Beating

The woman screamed, and the man took off. She was not hurt.

MORE NEWS: NYC Primary: New Yorkers Head To Polls To Pick Next Mayor, Candidates Make Last-Minute Campaign Push

Anyone with any information is asked to call the NYPD’s Crime Stoppers hotline at 1-700-577-TIPS (8477), or for Spanish 1-888-57-PISTA (74782). You can also submit a tip via the Crime Stoppers website, or by texting a tip to 274637 (CRIMES) and then entering TIP577.