"The Trouble with Tribbles" Star Trek & Cielo Drive murder of Steven Parent

Jerrold David Friedman (aka: David Gerrold) wrote the screenplay for this NBC Star Trek television episode.
https://en.wikipedia.org/wiki/David_Gerrold

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

Cielo Drive dogsitter for three dogs: William Garretson, age 19. Murder Trial testimony.
https://www.charlesmanson.com/testimony/william-garretson-testimony/

Robert Heinlein created the Rolling Stones Novel which became "The Trouble with Tribble's".
https://en.wikipedia.org/wiki/Robert_A._Heinlein

David Gerrold boosts about his Gay relationship with Steven Parent and dedicates his book to him.
https://www.goodreads.com/book/show/709750.The_Martian_Child

Fifty Shades of Grey? or Six degrees of Separation?