Carolyn's sister Lizzy may be celebrating her birthday, but there's a crime that needs investigating. They returned home to find Lizzy's party set-up trashed. The cake was half-eaten, presents were thrown all over, and there was even some bright red stuff dripping off the table. This is clearly a birthday "whodunit". Their Dragon Fly TV question: How can we use forensic science to finger the culprit?
This video is available in both English and Spanish audio, along with corresponding closed captions.