THERE’S A LONG HISTORY OF THIS STUFF AMONG GUN-CONTROL “RESEARCHERS,” GOING ALL THE WAY BACK TO THE MUCH-HYPED KELLERMAN STUDY: Gun Control Researcher: You Can’t See My Data.

And, of course, disgraced scholar Michael Bellesiles, who claimed to have personally reviewed gun records that were in fact destroyed in the 1906 San Francisco earthquake, then claimed that all his notes were lost in a flood.