Hi, misty, I know how you feel, i've had the same done to me when i borrowed my fathers jeep, I had to pay for the damage myself,
They don't tell you because they will ruin their No claims bonus, and feeling a idot for doing it,
Next time you park up in a supermarket and there is two car next to you, take the, Made, model, and number plate, and colour,
that way you have proof of which car as hit you, and you can let the police know, and you can claim form them and not out of you own pocket,