Ex-boyfriend of missing California mother turns himself in for murder, police sayThe family of Tatyana "Alison" Riley, a Fresno mother who had been reported missing since Tuesday, says she was found dead at her ex-boyfriend's home in southeast Fresno. The family of Tatyana "Alison" Riley, a Fresno mother who had been reported missing since Tuesday, says she was found dead at her ex-boyfriend's home in southeast Fresno. The family of Tatyana "Alison" Riley, a Fresno mother who had been reported missing since Tuesday, says she was found dead at her ex-boyfriend's home in southeast Fresno. FRESNO, Calif. -- An ex-boyfriend of a missing Fresno, California, mother is now in custody and accused of her murder. An ex-boyfriend of a missing Fresno mother is now in custody and accused of murdering her.