Police released surveillance video which captured the horrifying encounter that took place on May 25 around 8:30 p.m. in front of the victim's home on Lexington Avenue.
The video shows three men walking down the street, when one of the suspects suddenly sucker-punches 61-year-old Victor Vega in the face, causing him to fall and hit his head on the street.
ALSO READ: Suspect 'didn't realize his strength' when he threw woman onto subway tracks: Police
While he was unconscious on the ground, the two suspects then rob him.
The victim was taken to NYC Health & Hospitals/Kings County, where he was pronounced dead five days later.
Police say the victim and suspects got into some sort of verbal dispute before the victim was attacked and robbed.
They are hoping the surveillance video of the suspects will lead to information and an arrest.
Anyone with information in regard to this incident is asked to call the NYPD's Crime Stoppers Hotline at 1-800-577-TIPS (8477) or for Spanish, 1-888-57-PISTA (74782). The public can also submit their tips by logging onto the Crime Stoppers website at https://crimestoppers.nypdonline.org/, on Twitter @NYPDTips.
* More Brooklyn news
* Send us a news tip
* Download the abc7NY app for breaking news alerts
* Follow us on YouTube
Submit a News Tip