Those cables have been proven to be full of shit. Go to Wikipedia and read the accounts of the survivors that were pulled out by the CIA in Operation yellowbird https://en.m.wikipedia.org/wiki/Operation_Yellowbird if you want to piece together what happened from primary sources.
There are diplomatic cables from Australia and Britain about the massacre that have been declassified. Shit was fucked and I don’t know if the cables are common knowledge. That article is a great read.
Those cables have been proven to be full of shit. Go to Wikipedia and read the accounts of the survivors that were pulled out by the CIA in Operation yellowbird https://en.m.wikipedia.org/wiki/Operation_Yellowbird if you want to piece together what happened from primary sources.