The Macabre Inquires of Moriarty

This is not the Moriarty you remeber. This Moriarty has be expelled from school, penny less and force to work with a shadowly organization until he can prove his innocense. Til the time being Moriarty has been sent ti investage the Ripper murders that has london up in arms over. Who Frame Moriarty, Why does this organization need his help? all good questions and all in which Moriarty will uncover.