Nancy Grace to Indiana Teen Murder Suspect: You're a Dead Man Walking!!!

Nancy Grace is obsessed with a murder case involving 2 teenage girls, and she's got a message for the suspect -- YOU'RE DEAD MEAT!!!

Nancy was leaving LAX Tuesday when she told our photog she's investigating a sad tale in Delphi, IN after 14-year-old Liberty German and 13-year-old Abigail Williams were found dead near a bridge.