I did a quick Google search and found https://nyti.ms/3edFGs8. Lo and behold, the Biden administration is fixing what can be fixed in ATF.
"At the N.R.A.’s instigation, Congress has limited the bureau’s budget. It has imposed crippling restrictions on the collection and use of gun-ownership data, including a ban on requiring basic inventories of weapons from gun dealers. It has limited unannounced inspections of gun dealers. Fifteen years ago, the N.R.A. successfully lobbied to make the director’s appointment subject to Senate confirmation — and has subsequently helped block all but one nominee from taking office."
"At the N.R.A.’s instigation, Congress has limited the bureau’s budget. It has imposed crippling restrictions on the collection and use of gun-ownership data, including a ban on requiring basic inventories of weapons from gun dealers. It has limited unannounced inspections of gun dealers. Fifteen years ago, the N.R.A. successfully lobbied to make the director’s appointment subject to Senate confirmation — and has subsequently helped block all but one nominee from taking office."
I'm pretty sure no DA is refusing to prosecute violent crime. One party is limiting the gun crimes that DAs can prosecute. https://www.salon.com/2022/06/06/us-laws-are-causing-mayhem-...