You can't cut ties with someone you're not involved with
https://www.google.com/amp/s/www.coventrytelegraph.net/news/coventry-news/coventry-city-takeover-dale-evans-14128150.amp
But false allegations are 2-6% of all reported crimes which means 94 - 98% are genuine.
https://www.open.ac.uk/research/news/false-accusations-sexual-violence