Three co-defendants in a shooting case were arraigned and pleaded not guilty to all charges before DC Superior Court Judge Deborah Israel on July 28. David Holland, 45, Spo Willie Pyles, 43, and Carlos Mcnair, 44, are charged with unlawful possession of a firearm with a prior conviction greater than a year, carrying a pistol without a license outside a home or business, unlawful possession of ammunition, and possession of an unregistered firear…