Is there any sensor activated mini video surveillance camera that can be mounted in a car?

["njchen24@xxxxxxxxxxxx" <njchen24@xxxxxxxxxxxx>]

Greetings:

I am having a vandalism problem and would like to catch the person
scratching my X5 bmer with a key twice.   I am pretty sure who did this

since I've seen his/her car following me home one day and got the
scratch next day.  However, I need tangible proof so I can reason with
he/she.  I live in a townhouse residence with no security guard and
personal garage.  The cost to fix the damage is $1000 per scratch.
That said, I am wondering if there are any miniature video camera out
there that can be mounted on a car and can be activated by some sort of

sensor (ultra sound, infrared etc).  If it were you, which actions will

you take to prevent this agony?


Any feedback and suggestion is greatly appreciated.