Question For Lawyers (Or Anyone)

[fredtoast]

(10-22-2019, 09:07 PM)BFritz21 Wrote: It was his sister's boyfriend's car that bought beer and left the keys in the car.

Now I am confused.

You are saying the parents should somehow be responsible for him taking his sisters boyfriends car without permission?

What exactly should they have done to prevent this accident?  How were the negligent?