Ace Attorney Investigations: Miles Edgeworth, known in Japan as Gyakuten Kenji (逆転検事?, lit. "Turnabout Prosecutor") is an adventure video game for the Nintendo DS handheld game console by Capcom. It is a spin-off of the Ace Attorney video game series. The game was released in Japan on May 28, 2009 and is to be released outside Japan in February 2010