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Gunman in fatal Douglas County shooting legally bought 11 guns, including a Plum Crazy AR-15 receiver, in Wyoming

Riehl’s background checks came before he was admitted to a Veteran’s Hospital in 2014

Kirk Mitchell of The Denver Post.
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Matthew Riehl, 37
Provided by Douglas County Sheriff's Office
Matthew Riehl, 37

A Laramie gun shop owner called police Sunday following the ambush shooting in Highlands Ranch to report Matthew Riehl purchased nine guns and two gun receivers including a Plum Crazy AR-15 receiver with a magazine that can hold 100 rounds, a Laramie Police report says.

Douglas County Sheriff Tony Spurlock has said that Riehl fired around 100 bullets at deputies and police early New Year’s Eve  morning, killing Deputy Zackari Parrish and wounding four law enforcement officers and two neighbors. No information has been released about the guns Riehl used in the shooting.

At 8:30 p.m. Sunday David Smith, the owner of Dave’s Guns, called the Laramie Wyoming Police Department in reference to the shooting earlier that day. Smith told the officer that he recognized Riehl as an old customer.

Smith dug through his records of firearm sales and found records of Riehl’s purchases. Officers went to the store at 855 N. Fifth St. in Larimer, according to a police report.

Smith told police that Riehl sent him an email on Nov. 11, 2017, four years after the last sale, that included a large image of a Wyoming Territorial Prison souvenir badge. The subject line on the email said “the feared.” There was nothing else on the email and Smith did not know why Riehl sent it, the police report says.

Riehl also sent the same email to eight other people.

Smith explained that he had done gun checks each of the 11 times he sold a gun to Riehl. He called police because he thought the information might help investigators.

Smith declined to comment Thursday to the Denver Post other than to say that he recognized Riehl from media reports about the shooting.

“With an ongoing investigation we are not going to comment out of respect to the Douglas County Sheriff’s Department,” Smith said.

Riehl was able to purchase the guns legally after passing background checks because they came before he was admitted to a Veteran’s Hospital in 2014, .

According to the police report, the following weapons were purchased:

  • April 2, 2010 : Springfield XD(M) semi-automatic handgun.
  • May 3, 2010: Ruger MK III pistol semi-automatic handgun.
  • July 6, 2010: Smith & Wesson 629 revolver handgun.
  • July 22, 2010: Ruger SR9c handgun.
  • Nov. 3, 2010: Plum Crazy AR-15 semi-automatic rifle with magazine capacity for 100 bullets.
  • Nov. 19, 2010: FAL Type III semi-automatic receiver.
  • Feb. 1, 2011: Remington 700 SPS rifle.
  • Nov. 6, 2011: Smith & Wesson Model 66 revolver handgun.
  • Aug. 5, 2011: Ruger Vaquero revolver handgun.
  • Aug. 10, 2012: Glock 30 SF semi-automatic handgun.
  • March 3, 2013: Ithaca 37 shotgun.

Riehl was bipolar and had a manic breakdown during the summer, according to a University of Wyoming Police Department report. Family and friends were trying to help get help for him in the weeks leading up to the shooting.

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