Before the spring of 2018, Lois Riess was an energetic 50-something year old woman living within an hour of her hometown. But then she became known across the United States as something else: the Killer Grandma and she was on the run.  This case is *solved*   A huge THANK YOU to this month’s sponsors: Start your detective work today at Newspapers.com! Go to Newspapers.com/truecrime and use promo code “CRIMELINES” for 20% off a subscription — and let the past tell its story. Turn those what ifs into reality with Shopify! Sign up for your one-dollar-per-month trial today at shopify.com/crimelines.  Events: AdvocacyCon September in Albuquerque: https://www.advocacycon.com/   November in Costa Rica: https://trovatrip.com/trip/central-america/costa-rica/costa-rica-with-josh-hallmark-nov-2026 Support the show! Get the exclusive show Beyond the Files plus Crimelines episodes ad free on Supercast: https://crimelines.supercast.com/ Patreon: https://www.patreon.com/crimelines Apple Subscriptions: https://podcasts.apple.com/us/podcast/crimelines-true-crime/id1112004494 For one time support: https://www.basementfortproductions.com/support Links to all my socials and more: https://linktr.ee/crimelines Sources: 2026 Crimelines Podcast Source List Transcript: https://app.podscribe.ai/series/3790 If an exact transcript is needed, please request at [email protected] Licensing and credits: Theme music by Scott Buckley https://www.scottbuckley.com.au/ Cover Art by Lars Hacking from Rusty Hinges Crimelines is a registered trademark of Crimelines LLC. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.