THE BRONX - Police are now investigating a robbery that happened in December as a homicide.
Officials say 76-year-old Gilberto Silva has died from injuries he sustained in the incident.
Three men captured on video are wanted for questioning by police.
Officials say Silva was found unconscious on Dec. 23, with a cut to the back of his head.
Two of the men were seen standing over the victim, and the third was seen walking away with the man's jacket.