Originally Posted by TinCow
Well, this should be easy to check up on. Husar's reaction definitly seems like Sigurd struck a nerve, which suggests that the investigation result was accurate in some way. If Sigurd is not the detective, the real detective is probably still alive. If so, that person should contact Ichigo, who can then refer that information to the rest of us. If Sigurd was not the real detective, then his ability to investigate indicates that he was Manfredo, Taketski, or possibly the MiB.