Police are continuing to investigate a Brooklyn shooting on Monday morning that left a man dead.
Law enforcement sources said the victim, later identified as Ahmad Perkins, 35, of Richard Street in Brooklyn, was found with a gunshot wound to his head on the front porch of a home at 568 Empire Blvd. in Crown Heights at about 10:40 a.m. on Jan. 31.
Officers from the 71st Precinct found Perkins unconscious and unresponsive at the location while responding to a 911 call for assistance.
EMS units arrived on the scene and pronounced the man dead.
Heavily armed members of the NYPD Emergency Services Unit were seen entering the residence as part of the investigation. A sweep of the home ended with negative results, sources said.
Police sources did not provide a description of a suspect. No arrests have been made in the case, though sources said several individuals were being questioned.
Anyone with information regarding the homicide can call Crime Stoppers at 800-577-TIPS (for Spanish, dial 888-57-PISTA). You can also submit tips online at crimestoppers.nypdonline.org, or on Twitter @NYPDTips. All calls and messages are kept confidential.