.45 to  Bob Harrison, Brian Tackett's lawyer in his arson trial. Linda warned Kirby that he could expect someone from the  Alcohol, Tobacco, and Firearms Agency ("ATF") to come by and check his records.
Linda took a copy of the form 4473 to the office of Bob Harrison in February, 1993. Harrison realized that if the  document were correct, it indicated that Brian Tackett did not have possession of the colt .45 pistol at the time of the  church arson. Accordingly, on February 16, 1993, one month before trial, Harrison filed a motion to dismiss count four of  the indictment, which charged Brian Tackett with carrying a firearm in relation to a crime of violence.
ATF agent Ray Wilt received the motion to dismiss fromthe U.S. Attorney's Office sometime in mid-February, 1993.  At that time, Wilt began an investigationto determine the accuracy of the form 4473. Wilt went to Kirby's gun shop on  February 22, 1993, and questioned Kirby about the document. Kirby attested that the form was correct as to both the  purchaser and the date of purchase.
On March 3, 1993, Agent Wilt returned to Steve's Guns to question Kirby further regarding the form 4473. This time,  Kirby admitted that Brian Tackett had bought the weapon during the first quarter of 1991, and conceded that the form may  have been altered as to the date of purchase, but maintained that Kirby himself had not altered it.
On March 4, 1993, Kirby went to the ATF office in