If you are a mugger, you need to mug on a regular basis to eat. If a victim resists, it's not worth the risk to stay and fight, even if they don't know what the

If you are a mugger, you need to mug on a regular basis to eat. If a victim resists, it's not worth the risk to stay and fight, even if they don't know what they're doing they could still get in a lucky punch, and screw up your livelihood. Not that someone stumbling drunk is necessarily going to run through that calculation.