This story is a fan favorite from MrBallen's Medical Mysteries.One night in 1944, over 300 patients at a mental hospital in Oregon become violently sick after eating dinner. Many of them die. An investigation is quickly launched to determine the source of this deadly illness. Was there something wrong with the food itself? Or could it have been the work of a deranged killer?Listen Now: Wondery.fm/MBMMFor 100s more stories like this one, check out my YouTube channel just called "MrBallen" -- https://www.youtube.com/c/MrBallenIf you want to reach out to me, contact me on Instagram, Twitter or any other major social media platform, my username on all of them is @MrBallen Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.