since 1936 ONE licensed full auto machine gun has been used in a crime

I know about the Dayton OH. Police Officer in 1988, that is infact the one case that was stated. I also am aware of the Police officer who went buck nutty with a dept. issued MP5 some time in the last couple years, but that one I can't count because it was not a transferable, privetly owned weapon.

Does anyone know where to look to actually verify the claim that the 1988 incident in Dayton was the only one since 1936?

Recently an illegal,un-registered machine gun was used to shoot a young man in I believe Geneva ohio.

Quoted: Recently an illegal,un-registered machine gun was used to shoot a young man in I believe Geneva ohio.

Doesn't help, but thanks. I'm looking for info on legaly possed transferable, civilian owned, non LE dept. machineguns used in crime since 1936.

I keep finding mention of the 88 incident in Dayton, but nothing else. I just need to have something that will show that as being the only one since 1936 to the present.

ETA: but it has to be a verifiable source from a study or something. Like  DOJ or NIJ or ATF report or FBI report or something like that.