A Hillcrest man will spend the rest of his life behind bars after he was sentenced yesterday for killing two women in Valley Cottage two years ago. Rockland County D-A Tom Walsh says 34 year-old Robert Williams III, got life in prison without the possibility of parole after being found guilty of first and second degree murder and other charges. The jury took just two days last April to find him guilty. In May 2020, Williams shot and killed 27 year-old Kathleen Castor and her mother, 63 year-old Wanda Castor. Kathleen’s one month old daughter, Anastasia, was unharmed.