Double Homicide (Cold Case from 1999)-21 years since the homicide of Rebecca Rubalcava and William Rodriguez Silent Witness needs your help. We are asking for information on the following 1999 homicides: 21 years ago, on April 23, 1999 the bodies of 20-year-old Rebecca Rubalcava and 39-year-old William Rodriguez, were found off of Hwy 93 between Wickenburg and Kingman in Yavapai County. Both victims had been shot in the head. Both of the victims were from the Phoenix area and had last lived in the area of 17th Avenue and Buckeye Road. If you have any information about this homicide you are asked to call Yavapai Silent Witness at 1-800-932-3232. You never have to give your name and a $10,000.00 cash reward is being offered.