Direct classification as bad actor with bad intentions.

More like an automatic green pass looking at the historical treatment of some criminals with such background.

For one of the three yup

I can't speak to other nations, but given the present issues in Britain with two tier policing, they will receive a religious exemption. Which may result in everyone wearing a hijab just for privacy.

Do you have some examples of "two tier policing"?

Ceremonial knives

Which part of UK laws on ceremonial knives are "two tiered"?

Sikhs can carry a Kirpan

Scots can carry a Sgian Dubh

Any national costume that includes a knife is also fine

Henry Nowak

His murderer was sent to prison and the officers involved are currently being investigated for their failures.

baseball cap and sunglasses will do just fine.

Humans are able to identify a person just with general dimensions and how they move. It's probably within the reach of today's machine learning techniques...