He apparently suicided himself after denouncing pedophiles. 'throwing himself off a bridge'.

The Haunting Last Words of Isaac Kappy: “Now, I Am One of Them”

Isaac Kappy – the actor who accused several Hollywood figures of child abuse – died after throwing himself off a bridge. A few days prior to this fateful day, Kappy posted a haunting video about him “crossing the line” and becoming “one of them”. What actually happened to Isaac Kappy?

https://vigilantcitizen.com/latestnews/the-haunting-last-words-of-isaac-kappy-now-i-am-one-of-them/