Plymouth, Wis. (WHBL) - WHBL News has learned that a heated argument over politics may have led to that fatal shooting at Racers Hall overnight. Sources close to the incident have told us that two men were involved in the argument at the bar near Plymouth. Captain Dave Adams of the Sheboygan County Sheriff’s Department said a 63 year old Glenbeulah man is in custody this morning as the investigation continues. He said one person was dead as the result of the shooting which occurred about 11:15 last night. Adams said more information would be released later this morning.