GONZALES — A man accused of a May 2026 drive-by shooting in Gonzales has been formally charged with attempted murder, among other charges. Keelan Irvin Jr., 19, was originally arrested in June in connection with the May 26 shooting along South Burnside Avenue.On Tuesday, he was arraigned and charged with two counts each of attempted first-degree murder and assault by drive-by shooting, as well as one count each of illegal use of a weapon and agg…