Cephalids don't police people. They police loyalties.

Tenth Edition

Cephalid Constable

Whenever Cephalid Constable deals combat damage to a player, return up to that many target permanents that player controls to their owners' hands.

Whenever Cephalid Constable deals combat damage to a player, return up to that many target permanents that player controls to their owner's hand.

Salvat 2005

Judgment

Whenever Cephalid Constable deals combat damage to a player, return up to X target permanents that player controls to their owners' hands, where X is the damage it dealt to that player.