Random thoughts just popped in my head and I just remembered that all the water in a given city is all centralized. Just add poison and boom, eradicated an entire city who are full of dissidents/opposition as punishment for voting the “wrong” way, or for a protest, or if the population is filled with “filthy undesirable [Insert Racial Group Here]”, or something like that.
Kinda unsettling to see that we are all just attached to “the grid” 😖
Genocide unlikely as people can stop drinking after finding out it is poisonous, especially if the poison is fast acting.
River ecocide will probably alert the authorities. https://www.waternz.org.nz/Story?Action=View&Story_id=2427
It has to be a slow acting poison and not easily detectable. example…PFAS - https://www.youtube.com/watch?v=SC2eSujzrUY
Seems like there has been break-ins though to water supply - https://www.linkedin.com/posts/elisabethbraw_is-russia-trying-to-poison-finlands-water-activity-7251250484294873088-d2YP