Gives me the chills to think that a car accident in the wrong place can leave so many unanswered questions. I wonder how many other similar situations are revealed by droughts?
When I was training in car insurance, we had a "case" where a parent charged their adult child with theft of a loaner vehicle because they'd borrowed it (no memory of why) - and it had been six months since they'd driven off.
Six months later, a vehicle went off a curve on a the side of a cliff and "hung" suspended in the branches of a forest further down the side of the mountain/cliff. While rescuing that vehicle, the emergency services found the first vehicle nearby, also suspended in the branches of trees, with the remains of the driver and a companion still in it...
Apparently, that time of year was notorious for people who were taking the curve too fast to go off the road in that area (country & geographical location), but the earlier vehicle had either gone through a damaged safety rail (so no one realized that there had been an accident) or just missed it. The more recent accident had happened in front of witnesses, so emergency services were called in very quickly...
We were told the general features of the claim - to remind us that not all events turn out to be what they look like at first glance by investigators.