Have you seen this man? He's wanted for the murder of Washington Park Mayor John Thornton
, shot to death in the early morning hours of April 1. Aaron B. Jackson
, 34, was picked up early in the investigation and questioned by police as a "person of interest" in the crime. Jackson was eventually released from custody and is now MIA.
Yesterday authorities issued a first-degree murder charge against Jackson. Police are asking anyone who knows Jackson's whereabouts to call 911 or CrimeStoppers at 1-866-371-TIPS.