The Society of Forensic Engineers & Scientists held their annual conference at the Ahwahnee and asked me to give a presentation about the park. I have to admit to being a bit daunted (and intrigued) after seeing some of the programs they offered—“Samples of Glass Failure Analysis – Wine Bottle, Jam Jar, Olive Bottle” and “Plastic Welds and Metal Wedges – Failure Modes of Large Diameter Pipeline Joints.” The dinner conversation, however, proved to be fascinating. Thinking it appropriate, I titled my own talk: “CSI Yosemite: Investigations into Yosemite’s Natural World”