A guitar case was a piece of evidence in Phoenix Wright's investigation into the murder of Juan Corrida.
Plot against Engarde[]
Although normally intended to hold the signature red guitar of Corrida's television character, the Jammin' Ninja, on the day of the third Hero of Heroes Grand Prix it instead contained a spare Nickel Samurai costume. The guitar itself was left at Global Studios. The reason for this was so Corrida could pose as the Nickel Samurai, the television character of Corrida's rival, Matt Engarde, during a post-ceremony press conference, where he would reveal a fake suicide note belonging to an ex-lover of Engarde's with the intention of ruining his career. This plan never came into fruition, however, as Shelly de Killer killed him upon orders of Engarde, who somehow found out about the plan.