KINGMAN - Mohave County Sheriff's Sex Offender Registration Officer arrested Robert Berman, 41, of Oatman July 14 for failure to register as a sex offender, a felony. Berman came into the Sheriff's Office in Kingman to register his new address. Investigations determined that Berman had failed to update his registration within the 72-hour requirement. Berman was taken into custody without incident. He was transported and booked into the Mohave County Jail.