They had seen crashed cars before of course.

They had seen crashed cars with their occupants still inside before of course.

But not like this.

The highway was packed. They had to weave their way around the cars, and then their stomachs lurched at the crunch of bones under the wheels. Some of the cars had the doors wide open; others had been torn off. They shoved them closed as she edged their car through the gaps.

"What happened here?" he whispered, peering through the window.

She passed him the diary. "I don't know. But I think you should be writing it down."

There was… sand, or dust or something coating some of the cars the further they drove. The further they went the more it piled up, until it was as high as the car tyres in some places.

This had definitely been a mutant attack.

One of the original ones, he wondered, or one that came later on?

It didn't matter.

By the state of the bodies it was in the past.

This was just the aftermath.