WBEZ brings you fact-based news and information. Sign up for our newsletters to stay up to date on the stories that matter.Tyshawn Lee was killed in broad daylight in an alley in Chicago’s south side Gresham neighborhood. Residents there are outraged and police are pleading with the community to find out who did it. Last night police held an outdoor community meeting to get the word out that it needs help finding the killer. WBEZ’s Michael Puente was there and shares more details.