Know any more complete failures that i can read about?
i meant interesting ones.
https://en.wikipedia.org/wiki/Emu_War
No one died here but worth reading about all the same. Apparently some people are still mad about this.
https://en.wikipedia.org/wiki/Underarm_bowling_incident_of_1981
https://en.m.wikipedia.org/wiki/Four_Pests_campaign
The time China decided to wipe out some pests, collapsed their ecosystem, and caused a famine that killed millions.
How about the time a guy brought an invasive species into Australia to kill cane flies and that species then proceeded to kill everything except the cane flies?https://gamefaqs.gamespot.com/a/forum/9/9f8b7564.jpg
https://en.m.wikipedia.org/wiki/Cane_toads_in_Australia