Duel Chasers

The Duel Chasers are a group composed of officers belonging to Sector Security in the Yu-Gi-Oh! 5D's anime. They also seem to exist in the Synchro Dimension in the Yu-Gi-Oh! ARC-V anime.

Yu-Gi-Oh! 5D's
The Duel Chasers were first mentioned by Tetsu Trudge's Security chief after receiving the Special Pursuit Deck. According to his Chief, the Duel Chasers were formed in order to stop people from misusing their Duel Runners. They were mentioned again by Trudge when he and the other officers were in the mission to stop Ghost.

Yu-Gi-Oh! ARC-V
The Duel Chasers are said to be after Yugo because he refuses to follow laws.