They should, but is it viable? They have families, and for many if the city burns they lose everything. I'd imagine that many who can do so will leave, creating a vacuum.
One hopes their union will defend them vigorously.
FWIW, Cleveland has (so far) handled tough situations better. One suspects they're anticipating and preparing for soon-to-occur events.
Does this Baltimore mayor have no analytical thinking skills? (rhetorical question) With her attitude Baltimore is an easy target for the anarchists. (Is it racist to call them "anarchists"?) (sarcasm)
Baltimore cops had better start figuring out a second career choice and another place to move to now. If not, their choice will end up being made for them by black liberation racists like the mayor and States attorney.