"Helen Keller can see that graffiti is a cancer on the city," said Ald. Michael Zalewski.
Dayvon Bennett, of Hazelcrest, is charged with killing Malcolm Stuckey and wounding two others.
Nicole Antigorgi may be with older men and passing herself off as older than 13, police said.
Police will be at it again this weekend on the West Side from 7 p.m. Saturday to 3 a.m. Sunday.
Tevin Lee, 18, is accused of fatally shooting Shamiya Adams, 11, authorities said.
Those hurt were among five people shot overnight citywide, two of them fatally, police said.
Darren Foggey, of the 6700 block of South Artesian Avenue, was pronounced dead at 9:40 p.m. Wednesday.
The man was shot multiple times early Thursday in the 11600 block of South Michigan, police said.
Rock out at Lincoln Hall, chill out with some blues or laugh out loud at Zanies Thursday night.
A Logan Square battle passed through generations of artists will take to the monument in August.
Ald. Matthew O'Shea called it "pretty strange stuff" and said it had led to kids' deaths.
Christian Alvarez and Antonio Castaneda are accused of killing Sam Aguilar early Tuesday morning.
The incident occurred in the 100 block of West Marquette Road at 11:55 a.m., police said.
When a cyclist's wheels go missing, Chicago's huge online bike community jumps into action.
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