La Crosse County prosecutors have filed homicide charges against two men in a January shooting death. W-E-A-U Television reports arrest warrants have been issued for 35-year-old Karvel Freeman of Madison and 25-year-old Nelson Brown of Rockford, Illinois. A La Crosse police officer reports he heard gunshots just before 2:30 a-m January 8th. When officers responded they found Ernst Knox critically wounded. He died less than an hour later at Gundersen Lutheran Medical Center. Freeman’s driver’s license was found at the scene. Witnesses reported two men had been shot after an argument at a party. Freeman was the second man wounded.