Marine Gunnery Sgt. Mario Madera-Rodriguez is currently on trial for his alleged role in the 2017 hazing-gone-wrong death of Army Staff Sgt. Logan Melgar.
Mario Madera-Rodriguez, who belongs to a special operations group in the Marines known as the Raiders, is the only one of the four servicemembers charged in death of Staff Sgt. Logan Melgar to plead not guilty. The others have already made plea deals and may testify at his trial.