Warren Commission
The rifle remained in the possession of the FBI from November 1963 to November 1966, except for brief periods in 1964 when it was loaned to the Warren Commission and tested by the U.S. Army's Weapons Evaluation Branch. Likewise, the pistol was held by the FBI from November 1963 to November 1966, except for a brief period in 1964 when it was loaned to the Warren Commission.