@EVsince2016
That is a real horror story! Yes, the very worst aspects of gender equality seems to be somewhat prevalent now.
This certainly sounds to be the exact situation that the footage from your dashcam would be invaluable to your local police force!
As for the SD card being full, do you not have the option, in the settings of the camera, to "Loop Record", or similar? This simply means that, as the card becomes "full" the "earliest" files are overwritten by the latest ones. Depending on the capacity of the card and how much use the car gets, you could find that several days recording is possible before any overwriting of older files occurs.