Jonathan Calvillo, 16, was allegedly aiming at a gang rival when he shot teenager after school.
David Twine, 29, should be considered armed and dangerous, police said.
A pit bull attacked a man and a teenager on his way to school before it was killed by police, cops said.
Two of the men, 20 and 19, were found shot within a block of each other, officials said.
MARK KONKOL: Ebony Ambrose's last chat with son reminds her she raised a respectful young man.
Ronald Baskin, 21, was fatally shot in his vehicle in the Englewood neighborhood.
The 20-year-old and his 15-year-old friend were shot Sunday night.
Deshawn Neal, 29, was charged in connection with the 2011 murder of James Wilson, 26.
An 18-year-old man was shot in Chicago Lawn Thursday morning.
Friends remembered the bright and dedicated student with a ceremony Wednesday night.
Both men were in stable condition, police said.
The 21-year-old man was in serious condition, police said.
At least two people were shot in Chicago Lawn and Chatham, police said.
Get our daily Chicago news and alerts!
Thank you for signing up!
Would you like to sign up for additional newsletters?
Thank you for signing up for additional newsletters.