They could certainly have two Facebooks, etc...., and it not be some Alex Jones - esque conspracy

.
A good Muslim account where they are "peaceful" muzzies, that they use for work, infidel friends, etc....
and
A naughty Muslim account under different names, on burner electronics, etc.... that they use for plotting, etc.... If someone gets to close to it in the plotting stage they just ditch it. No fuss, no muss.