The victim, who has been identified as Frank Bonasso, died this morning at the Christiana Hospital. The cause and manner of his death will be determined by the Delaware Medical Examiner's Office.
"We're upset, they should be upset, this is an innocent elderly male victim," Cpl. Trinidad Navarro of the New Castle County Police said on Wednesday.
Police want to hear from anyone who spotted a late 80's model grey or blue colored sedan that was seen speeding away from the property moments after two strange men were seen at the complex.
"One of the two men brandished a handgun and told the victim to relinquish his valuables. Well, the victim was out for a walk so he had nothing valuable on him, so these two individuals assaulted our victim and fled on foot empty-handed," Navarro said.
The victim was walking in the area and wearing a reflective vest at the time of the attempted robbery.
Investigators also want to know if the suspects are linked to four other armed robberies that occurred last Saturday, all within 70 minutes of each other, at The William Penn Village apartments, Penn Acres South, Hampton Walk Apartments, and Castle Hills.
A sketch of one of the suspects has been released.
"The only thing I can tell you for sure is the suspect descriptions are similar in that it's a white male and a black male. Now whether or not they're all related, we really don't know," Navarro said.
To offer information regarding this investigation, please contact the New Castle County Police Department at (302) 395-8110 (attention Detective John Williamson) or www.nccpd.com to leave a crime tip. Citizens may also text "NCCPD" followed by your tip to 847411 (TIP 411).
