Services are to be held Sunday and Monday for Mark "Papa" Guardado, Christopher Ablett is a suspect in the shooting

Services are to be held Sunday and Monday for Mark "Papa" Guardado, 46, the head of the Angels' San Francisco chapter who was shot outside a bar in the city Sept. 2, the San Francisco Chronicle reported Saturday.Police estimate as many as 1,000 Hells Angels may roll into California's Bay area to remember a slain leader of the motorcycle riders brotherhood.Christopher Ablett, 37, of Modesto, a member of a rival motorcycle club, is a suspect in the shooting, police said.After a vigil and a memorial service, Guardado is to be interred Monday at Cypress Lawn Cemetery in Colma in what may be the Bay Area's largest two-wheeled funeral procession, the Chronicle reported."However many there are, we're going to be ready," said Officer Shawn Chase of the California Highway Patrol.