I saw this posted Thursday.

"Rodney Alcala is a serial killer from California recently sentenced to death for the murders of four women and 12-year-old Robin Samsoe. But authorities suspect he may have killed more. And..."

NEWS.YAHOO.COM writes: "Prosecutors said convicted serial killer Rodney Alcala used his camera to gain the trust of young women and now they fear photographs he snapped decades ago could contain images of more potential victims."