Murder charges were filed in the Independence Day shooting and killing of a 10-year-old Chicago boy in Gary, the Lake County Prosecutor’s Office announced Tuesday. kA 5:ClQ=ECQmkDA2?mp? 25F=E H2D 2=D@ D6C:@FD=J :?;FC65 :? E96 D2>6 :?4:56?E[ A@=:46 D2:5]k^DA2?mk^Am A 10-year-old boy was shot and killed while visiting family for the Fourth of July, the Lake County Coroner's Office said on Sunday.