PLTW Biotechnical Engineering class investigate a forensic report, 2015 Christmas is Doomed! Santa was found dead in his workshop’s store room at 7 A.M. on Tuesday morning. His body was slumped over the table, and an antler was found near his body. He appeared to have died from a stab wound. Students work to figure out who committed this heinous crime. Check out our Mrs. Claus, Jack Frost, Frosty and Elf! Do these creatures look familiar?