Biofire founder and CEO Kai Kloepfer believes there’s at least one way to decrease gun deaths in America. Early next year, his company will begin shipping the world’s first handgun with an electronic firing system that unlocks instantaneously upon fingerprint or facial verification. This week on How I Built This Lab, how Kai spent the past decade designing a firearm intended to prevent unauthorized use, particularly by children and adolescents. Plus, why past efforts to bring a smart gun to market have failed and an assessment of the changing U.S. gun market. This episode was produced by Casey Herman and edited by John Isabella, with research by Alex Cheng. Our music was composed by Ramtin Arablouei. Our audio engineer was Neal Rauch. You can follow HIBT on Twitter & Instagram, and email us at hibt@id.wondery.com. Learn more about your ad choices. Visit podcastchoices.com/adchoices