Whatever happens, it won't be worse than what is now being prepared in secret labs.
They were housed in a secret lab called Sector 21.
"Do you think the secret lab is here on the farm?"
She had David take her to his secret lab to find out if Leo was still alive.
Many buildings can be entered, as a cave or a secret lab for example.
She is taken to a secret Soviet lab that studies supernatural phenomena, especially contacts with the dead.
They eventually make it to ditMaharal's secret lab where the first gray is being held.
If the secret lab making the stuff could be identified and hit, the plan would be stopped.
"How do you know they haven't, in some secret lab?"
Probably the doctor's secret lab, in all its glory.