Anthony Bourdain was known for a fascination with TREPANATION or TREPANNING - drilling holes in people's heads. Had a collection of handmade trepanning tools.

https://www.supercall.com/spirits/scotch/the-proper-way-to-drink-scotch-with-anthony-bourdain

And this (though probably fake news)

https://herasblog.com/2017/02/28/bourdain-talks-drilling-holes-in-pizzagate-victim-heads-to-fck-their-brains-out/

>>1669080

I didn't want to say it but THIS. Bourdain also referred to Hunter S. Thompson often in his shows. Adrenochrome?