WESTERN BUREAU: A man believed to have been the mastermind behind Tuesday’s murder of deejay Roger ‘Jaggy D’ Walker, a police source told The Gleaner, was shot and killed in a gunfight with the Hanover police early Friday morning. The deceased man, who was of Bamboo address on the outskirts of Hopewell, where Walker was killed, was identified by relatives as 30-year-old Romaine ‘CJ’ Humphrey.