Killa Sin (born Jeryl Grant) is considered the best-known member of Killarmy and is regarded as one of the most skilled Wu-Tang Clan affiliates.
He is the brother of Oli Power Grant, the Wu executive. Jeryl is currently mentoring his young nephew Young Prince. When he was working on his own solo album in 2015, Killa Sin was convicted of criminal weapons possession and received a 16-years-to-life sentence. He is now currently in jail at the Sing Sing Correctional Facility in Ossining, N.Y