The headline literally says that 50 people were shot two weekends in a row - and the construction means the SAME people were shot.
More Than 50 People Shot for the Second Weekend in a Row in Chicago should read "More Than 50 Shootings for the Second Weekend in a Row in Chicago".
I guess the US isn't an English speaking nation any more...
Heh heh! I normally catch those, being an instinctive proofreader. Funny one.
Mayor Urges Every Chicago Resident Who Has Been Shot in the Past Week to Remain Indoors at All Times. Previous victims are the most likely to be shot again!