Overview of Evangeline Silva
Last seen in the evening of July 16, 1977 in Brentwood Park with her younger sister Rebecca Rodriguez and Kenneth John Beltram. They had told others in the park that they were either going home to Oakley or Hogg Island. They got into Beltram's car and vanished. Beltram was reportedly seen by his brother the next morning, who did not see the girls. In late July, Beltram's car was reportedly seen in Concord, California by friends of Beltram. They said an unidentified white male was driving the car. The car eluded them and hasn't been seen since. (Information retrieved from NamUs.gov)