The 20-year-old man and the 15-year-old girl had been dating before the fatal shooting, according to the Los Angeles County Sheriff’s Department. A 15-year-old girl who was killed after a man she had been dating "forced entry" into an Arcadia residence and shot her has been identified. Paul Anthony Cruz Jr., 20, is accused of fatally shooting his 15-year-old girlfriend, Mina Kurdian, inside her Arcadia home in a suspected domestic violence incident.