Artivis Gladney, an 18-year-old African American male, was shot and killed on July 17, 2016, at a house party in the 5000 block of West Jackson in the Austin neighborhood of Chicago. The shooting occurred around 11:50 p.m.; another man was wounded in the same incident.

Eric Black, a 33-year-old man, was charged in connection with the shooting and faced one count each of murder, attempted murder, and unlawful use of a weapon. The case against him proceeded to trial on those charges accusing him of fatally shooting Gladney and wounding the other attendee.

What details about the night or witnesses have not been made public that might help clarify what happened?