“...now just add fake audio of them yelling racial slurs and vicious profanity.”
AI can do that now; you only need a small voice recording of the victim.
This is an example of crazy things you can now do with AI
Oct. 27, 1963 - CBS-TV Special Report on Outbreak of German Civil War (with “Walter Cronkite”)
https://www.youtube.com/watch?v=0X3KTQcSsEY