On the afternoon of May 6, 2023, a gunman opened fire in a mall parking lot in the Dallas suburb of Allen, Texas. The shooter killed eight people and wounded seven more before a police officer shot and killed him.
Authorities later identified the gunman as 33-year-old Mauricio Martinez Garcia. Unlike some other recent perpetrators of mass shootings, Garcia composed no manifesto or document explaining the reason for his violent spree. However, he did leave behind voluminous writings,…