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The Marlin Glenfield model 60 semi-automatic .22 caliber rifle that Steven had hanging above his bed is the alleged murder weapon. A .22 caliber bullet with the victim's DNA on it was determined to have been fired by this rifle.

Steven claimed he never used this rifle, however two people have said they have seen him use it. In his bedroom a pack of CCI lead bullets were found which can be used for this rifle.

Summary

Discovery

On Sunday 6 November 2005,[2] one day after the discovery of the Toyota RAV4, CASO deputy Daniël Kucharski was assigned by Lieutenant Bowe to search Steven Avery’s trailer to specifically collect any weapons, a vacuum cleaner and bedding from the spare bedroom in the trailer.

Throughout the day Kucharski was assisted by three manpower resources from MTSO: Lenk, Remiker and Colborn.[2]

The men entered the trailer a 12:25 hour and collected two guns that were in a gun rack in Steven Avery’s bedroom in the back of the trailer. One was a Marlin Glenfield model 60 semi-automatic .22 caliber rifle. The other was a .50 caliber muzzleloader.[2]

Crime Lab

The Wisconsin State Crime Lab received the Marlin Glenfield rifle on 21 November 2005.[3] Several examinations and tests were to be performed on the rifle.

DNA test

Culhane examined the rifle.

Ballistics test

Ballistics expert William L. Newhouse of the Wisconsin State Crime Lab examined and performed tests on the rifle from Steven Avery’s bedroom, the bullet pack found in a record cabinet, the shell casings from the garage and the two bullets, also found in the garage.

On 11 May 2006 co-lead investigator Mark Wiegert received a report from the Crime Lab concerning tests done.[3]

The tests showed that Bullet FK was fired from a rifle in the Marlin Glenfield series, or a rifle similar to that series. Bullet FL, which was the bullet with Halbach’s DNA, was fired from the Marlin Glenfield found in Steven Avery’s bedroom. According to Newhouse it could not have been fired from any other rifle.[3]

Trial

References

  1. Trial Transcripts day 14, Testimony of William L. Newhouse
  2. 2.0 2.1 2.2 CASO Investigative Report, page 101
  3. 3.0 3.1 3.2 CASO Investigative Report, page 754