Unattended Children

Here's the question: Have you ever left your child unattended in a vehicle for any length of time?

I have. I've left kids in the car while I run inside to pick up/drop off Anya. I've left them (with Anya/PJ "supervising") while I ran into the post office or into a friend's home. I never leave the vehicle unlocked. I take the keys with me. I'm not gone longer than 5 minutes. Could something happen in those 5 minutes? I'm sure something could. I guess I "play the odds." I don't think this makes me a bad parent. And I don't think I should go to jail, like this mom.

What are your thoughts?