A Joliet man has been charged with the first-degree murder of a 36-year-old woman and a 4-year-old boy who died Sunday on Garnsey Avenue. On Wednesday, Joliet police officials announced the charges against 29-year-old Joseph Johnson. Upon his release from medical care, Johnson will be transferred to the Will County Adult Detention Facility,” Joliet police officials said. (Felix Sarver)Johnson is charged in connection with the fatal shooting of Joselynn Diaz-Garcia, 36, and 4-year-old Gianni Reyes. Joliet Police Chief Bill Evans addresses the media regarding the investigation into the shooting deaths of 36-year-old woman and a 4-year-old boy on Sunday, Jan. 23, 2026.