Replace “Whenever an Assassin Kills their Target, the killer gain two Points.” with:-

Whenever an Assassin Kills their Target, the killer gain two Points if their Target was Alert or carrying a Gadget, and one Point otherwise.

Replace “the Referee may select a random other Assassin to be their Target” with:-

the Referee may select a random other Cunning Assassin (an Assassin is Cunning if they are Alert or carrying a Gadget), if any exist, to be their Target

Add an Urchin Action:-

Reject Contract (optionally specifying an Assassin): The acting Assassin ceases to have a Target. If the acting Assassin is in the Guildhall and specified an Assassin other than themselves, then that Assassin becomes their target.