Every time there's a spate of incidents, usually involving tragedy, the search for answers leads to calls for action, often for new or tougher laws.
In this latest case, overseas tourists driving in New Zealand were involved in fatal crashes over the long weekend.
Cue calls to tighten laws around tourists driving on our roads.
But there's always an issue with kneejerk responses like this.
They always come with the assumption that the law as it stands is inadequate.