The Professor's Equipment

I know that being a college prof requires a certain amount of books and equipment.

So this guy who teaches at Columbia U. has a bunch of stuff:

A 9-mm. handgun, two ammunition magazines, a 12-gauge shotgun, silencers, a bulletproof vest, a crossbow and bomb-making equipment, including a drill and threading machine that could be used to make pipe bombs, were also recovered, cops said.

Not to mention the half-dozen completely assembled pipe bombs...

So what does this nutcase teach?

Clatts is a medical anthropologist with a specialty in epidemiology - the spread of disease among large populations.

He is an associate professor in Columbia University’s Mailman School of Public Health and holds a Ph.D. from the Ivy League school.

Perhaps "disease-tracking" is more dangerous than we thought?

Or perhaps the Perfesser is actually a terrorist.