Police officer at the shooting scene in Dayton, Ohio. Photo: Scott Olson/Getty Images

24-year-old Ethan Kollie has admitted to buying body armor, a high-capacity magazine and an accessory for the gun used by Connor Betts, who killed 9 people in a mass shooting in Dayton, Ohio, earlier this month. Kollie was arrested by the FBI for lying on a federal firearms form he used to buy his own handgun.

The big picture: Federal court documents unsealed Monday do not indicate that Kollie intentionally planned or was involved in the shooting. Kollie told authorities, however, that he stored the accessories he bought for Betts at his house, where he watched and helped Betts assemble the AR-15 used in the shooting "approximately 10 weeks ago." He said he kept the gear at his own house to help hide it from Betts' parents.

  • Kollie could face up to 15 years in prison for not disclosing a prior drug offense on the form he used to purchase his own gun.
  • He told authorities he knew that if he told the truth about his drug use, he would be unable to purchase his firearm.
  • Kollie also told the FBI that he and Betts had done "hard drugs," marijuana and acid together four-to-five times a week during 2014-2015.

Read the affidavit:

Go deeper: Dayton mass shooting: What we know

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