On May 22,2012, Holmes purchased a Glock 22 pistol at a Gander Mountain shop in Aurora, and six days later bought a Remington Model 870 shotgun at a Bass Pro Shops in Denver.
On May 22,2012, Holmes purchased a Glock 22 pistol at a Gander Mountain shop in Aurora. Six days later, on May 28, he bought a Remington 870 Express Tactical shotgun at a Bass Pro Shops in Denver.