The recording captured more than a few frightening sounds. When the truck driver played it back, the voices became clear enough to separate one command from the other: my mother-in-law was giving instructions, while my husband stayed close and responded to her.
I could hear myself crying through the sock, then the scraping sound that matched the friction marks the doctor had documented.
For the first time, the evidence did not depend on my ability to remember every second perfectly. The recording preserved the sequence for me.
The truck driver also remembered where his vehicle had been parked that day and why the dashcam had remained on. He gave me the recording instead of deleting it, and I asked him to keep the original untouched.
My husband still believed the hospital could be explained away. He said I had fallen, then changed his story when the medical notes did not fit.