But most of the justices expressed doubts about granting police the discretion to order passengers out of cars.

CNN: AllPolitics - Hard Questions For Reno

So I can announce today that we are going to give the police the discretion to remove face coverings under any circumstances where there is reasonable suspicion that they are related to criminal activity.

BBC: Riots: David Cameron's Commons statement in full

State reinforcement of federal penalties for providing false information when buying a gun, running background checks on buyers at gun shows, allowing local discretion to police when issuing concealed-carry permits, requiring purchase permits for handguns and allowing municipalities to set their own gun laws are all associated with lower gun-trafficking rates.

ECONOMIST: Guns and state borders

But, Mr Kavanagh added, police would be allowed to use their discretion over whether to press charges if women used the men's room to avoid a long queue.

BBC: Sign for a public toilet file image