The page includes videos with families sharing their stories of loss.
Detectives hope the person-to-person appeal enables the relatives to get the answers they yearn for.
"We understand that some people who have information regarding these homicides are anti-police. Well, this matter isn't about the police department, it's not about New Castle County police. It is about the families," said Col. Vaughn Bond Jr.
The first post highlighted the case of Peter Di Sabatino, who was killed in November, 2012.
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