; (D) the number of investigations referred to the Attorney General by the Bureau of Alcohol, Tobacco, Firearms and Explosives that did not result in criminal or civil charges; and (E) the number of licensees enrolled in, and the number of licenses determined to have successfully completed, the program established under subsection (c)(2). (2) To the extent the information is available, the average length of the sentences of imprisonment and average and mean monetary fines imposed on persons convicted of violations of section 933 of title 18, United States Code, during the preceding 12-month period. (3) A narrative describing the trafficking schemes prosecuted in the preceding 12-month period, including the sources of firearms, the roles of various defendants in the scheme, the number of firearms trafficked, and a description of any trafficking practices or trends common among various firearm trafficking schemes. 7. Enhanced regulation of high risk dealers Chapter 44 of title 18, United States Code, is amended by adding at the end the following: 935. Regulation of high risk dealers (a) In general On a determination by the Attorney General that a licensed dealer is a high risk dealer, the Attorney General shall— (1) require the dealer to permanently alter the business practices of the dealer or make physical improvements to the firearms business premises of the dealer to reduce the diversion of firearms from the firearms inventory of the dealer, which requirements shall include requiring the dealer to— (A) adopt electronic acquisition and disposition record keeping; (B) provide the National Tracing Center with electronic access to all records required to be kept under this chapter that are possessed by the dealer; (C) make video and audio recordings of all firearms transactions, and maintain the recordings for 360 days; and (D) retain for more than 360 days, any video or audio recording of a firearm transaction that was the subject of a trace request