In my Psy-Ops class in the Army they taught us that any research on weapons is always to be portrayed as research on a defense for those same weapons.
Rage virus zombifier is almost ready for public testing.
This way you always have the moral high ground. You are not digging up the Spanish Flu a hundred years later from the Arctic to cultivate it, rather you are trying to produce a vaccine for it. You are not culturing Bubonic Plague as a weapon, that would make you a bad guy. You are working on a defense for said plague.
If you build a seed vault in the frozen north you are not weaponizing famine, you are simply preparing against it. Everything must always be the opposite of the truth and said with conviction.
They couldn't figure out why I didn't want to do this for a living and re-enlist. It's because I enjoyed whatever sanity I had remaining.