> You're probably at a lower risk of being murdered with a bad cop than with your own family members. Sure, and I’m much more statistically likely to be hurt b

> You're probably at a lower risk of being murdered with a bad cop than with your own family members. Sure, and I’m much more statistically likely to be hurt by a dog than mauled by a lion. But I’m not going to give up my dogs and start wandering into lion cages at the zoo. With travel, we often talk about deaths per x miles traveled. I think in this case a reasonable metric would be deaths or injuries per x minutes of interaction.