minion of the law:
(plural: ‘minions of the law’)
a policeman, prison officer or any other person whose duty/job is to see that people obey the laws, usually used in a negative sense in the Press — on TV and in Newspapers,
e.g.
As a police officer, Jane takes an exception when people, especially the press, call her a minion of the law.
The government is trying to suppress the farmers protesting against the rise of power and fuel prices with its minions of the law.
The protesters have been brave and patient and have born severe beatings from the minions of the law, the anti-riot force, since the day they started the protest.

