It has been about a month since the apparent execution of a nine-year-old boy as a gang retaliation. There has been a collective cry for closure in finding the individual or individuals who shot and killed nine-year-old Tyshawn Lee in a Chicago alley.

On Friday, officials announced a significant development in the case with the arrest of Corey Morgan, a 27-year-old, whom they described as a gang member with a past conviction on his record.  Morgan, 27, was arrested as a person of interest earlier in the week.  Read more at