MANILA, Philippines — The Philippines on Tuesday rejected an appeal by a U.S. Marine that it drop a murder case against him in the death of a transgender Filipino woman last year.A Department of Justice panel said evidence from prosecutors against Pfc. Joseph Scott Pemberton showed that he killed Jennifer Laude after picking her up in a bar in Olongapo city in October.Police said Laude, formerly known as Jeffrey, was found dead with her head inside a toilet bowl in a hotel minutes after Pemberton left the room.