Handsome Johnny (Johnny Roselli & Marilyn Monroe's murder)

Johnny Roselli was murdered on Biscayne Bay, July 28, 1976, at age 71.
https://www.nytimes.com/1977/02/25/archives/mafia-said-to-have-slain-rosselli-because-of-his-senate-testimony.html
https://en.wikipedia.org/wiki/John_Roselli
https://themobmuseum.org/blog/mob-fixer-johnny-rosselli-is-back-in-the-spotlight/

https://en.wikipedia.org/wiki/Santa_Anita_Park

https://en.wikipedia.org/wiki/Jack_Dragna
https://en.wikipedia.org/wiki/Sam_Giancana

http://www.metnews.com/articles/caru0816.htm
https://en.wikipedia.org/wiki/Paul_Caruso

It was rumored that Johnny Rosellie and accomplishes murdered Marilyn Monroe on August 4, 1962.
Roselli was suspected in 13 unsolved murders in and around Los Angeles.