A man was arrested in Waterloo Wednesday for allegedly shooting and killing another man at a bar in Marion, according to KWWL. 28 year old Duval Walker Jr. has been charged with 1st degree Murder in the killing of 32 year old Cameron Barnes. Barnes was shot dead inside Cocktails and Company on March 17th. Walker has also been charged with Possession of a Firearm or Offensive Weapon by a Felon and Going Armed with Intent. The US Marshals of the Northern Iowa Fugitive Task Force received information that Walker was in Waterloo Wednesday and were able to take him into custody without incident. Walker was transported to the Linn County Correctional Center.