When a Massachusetts schoolteacher fails to return home from a weekend camping trip with a friend, his wife reports him missing. Investigators discover that the friend in question—the principal of a private religious school—is hiding a shocking past in this episode of Last Seen Alive. If you know anything about the disappearance of Christopher Bird, please contact the New Hampshire Department of Justice via their online tip form: https://business.nh.gov/ColdCaseTips/Tip.aspx?Victim=Chris%20Bird See photos from this episode and check out the sources we used to research it here: https://lastseenalivepodcast.com/2026/05/31/unsolved-disappearance-christopher-bird/ Support LSA and the DNA Doe Project by getting a shirt or hoodie on our store: https://last-seen-alive.printify.me/products This episode is sponsored by Greenlight. We use Greenlight to protect our family and peace of mind, and you can too. Go to greenlight.com/alive to get started.   Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.