Figures show significant fall in prosecutions in England and Wales and victims waiting longer for justice
— Read on www.theguardian.com/law/2019/jul/26/rape-cases-charge-summons-prosecutions-victims-england-wales
Tech might help here. I can imagine an app, running on your watch, that in response to a keyword starts an audio or video recording. This might bring the same phenomenon of radical transparency to this crime that we see having such results in the use of cellphone video for violent crimes in general.
Unfortunately, the main candidate for an app like this, the Apple Watch, doesn’t have a mic or a camera; it’s focused on touch and sight as primary interfaces.