Evidently, six years isn't long enough for a Statute of Limitations on cheap shots among neighbours:
"The Windsor Riverfront Plaza has been a popular viewing location for both Canadians and Americans, particularly since 2004, when a man opened fire on a crowd gathered at Detroit's Hart Plaza on the waterfront, wounding nine people.
Not only does this gratuitous "information" appear today in a CBC News report, but it's in paragraph 7 of a 20-paragraph online article.

Must be the unnamed writer and editor, if any, figured that merits more prominent placement than details about Windsor street closings, free city buses, free shuttles and the weather forecast.

N a s t y.