The ones I can think of that would be good for in car would be pretty pricey to risk being stolen themselves.  However, you might be able to find a small 5v camera (and use an adapter from the cars accessory port) that will capture stills on motion for a reasonable price, maybe try tiger direct or monoprice, newegg etc.  Then just hide it reasonably well in the car, rear trunk deck or above the rearview mirror would be ideas -- use colored tape to make it blend into the interior.  To transmit the image as well as store local that is a little more involved.  Outside of something like a nest camera, you could use a RaspberriPi with camera and have it connected via wifi to your house so you could get the images.   It would be a little tougher to conceal, but still very doable.<p>Obviously I think just locking your doors (if you don&#x27;t already) is the smartest idea.  And setup a camera outside, at least that way you can start to deter this behavior and possibly catch a glimpse if it does happen.  I&#x27;d also bet if this is happening multiple times, it is someone you know, or a local teenager etc.  That&#x27;s what happened to me when I found my car getting egged etc repeatedly one summer, I setup a system to catch them which allowed me to have a little discussion with them to make it stop before it escalated.<p>A little fun too, if you only use the outside camera, put a sign in the car that says &quot;don&#x27;t look back&quot; or something to that affect (to get them to look towards the camera).  Most people when they read that immediately do the behavior you wrote to see why, and they&#x27;ll look right at the camera.  Only the real criminals will just bolt and not do it.