Elite Chicago police unit now investigating Border Patrol shooting of Marimar Martinez, source says

The shooting of Marimar Martinez by a Border Patrol agent last fall is now being investigated by a Chicago Police Department unit staffed with deeply experienced detectives who will look to bring a case to Cook County prosecutors, the Chicago Sun-Times has learned. Any charging decision involving a felony would still fall to the office of Cook County State’s Attorney Eileen O’Neill Burke. And potential roadblocks remain if the federal government refuses to cooperate with the police…