This undated file photo provided by the San Mateo County Sheriff’s Office shows Rodney Halbower. Halbower, a career criminal who authorities believe is a serial killer dubbed the Gypsy Hill Killer, faces trial Friday, Sept. 7, 2018, in Northern California for the murders of two young women four decades ago. Law enforcement officials believe Halbower raped and killed six young women during a five-month period in 1976. Opening statements start Friday in Redwood City, California about 30 miles (50 kilometers) south of San Francisco. (AP Photo/San Mateo County Sheriff’s Office, File)
REDWOOD CITY, Calif. — A career criminal accused by authorities of raping and killing six women in the 1970s yelled “I am not guilty!” to a jury at the start of his trial Friday for two of the killings.