SANTA ANA, Calif. (AP) — Prosecutors plan to announce charges in the killing of a University of Pennsylvania student found buried in a Southern California park. Orange County District Attorney Tony Rackauckus has scheduled a news conference Wednesday morning to announce his decision on charges for 20-year-old Samuel Woodward, suspected of killing 19-year-old Blaze Bernstein. Authorities say Bernstein was visiting his parents on winter break when he went to a park with Woodward Jan.