polygraph test Man charged in shooting death of off-duty Chicago police officer once applied to be a cop, sources say - Chicago Tribune Posted: 25 Mar 2019 04:15 AM PDT The man who authorities believe shot and killed an off-duty Chicago police officer and wounded his friend once applied to be a Chicago cop before he was arrested at the police academy a few years ago in connection with a home invasion, sources said. Menelik Jackson, 24, was one of two people charged overnight with first-degree murder in off-duty Officer John P. Rivera's death, Chicago police spokesman Anthony Guglielmi said Monday morning. Jackson is accused of being the gunman and the other man charged, Jovan Battle, is accused of being a "co-conspirator" who was with Jackson at the time of the shooting, Guglielmi said. Police are still seeking a third person of interest, he said. Superintendent Eddie Johnson was expected to detail the charges at a news conf...