[smileyface]

Have seen speculation about MZ and MK-Ultra. Many of the drugs used for MK-Ultra cause pupil dilation...

Belladonna alkaloids, including scopolamine, are known for increasing pupil size, p15
http://www.dtic.mil/dtic/tr/fulltext/u2/767257.pdf

https://www.startpage.com/do/search?cmd=process_search&cat=web&query=scopolamine+mk+ultra&language=english&no_sugg=1&ff=&nj=1&abp=1

[Axenolith]

LSD does that too...