unfortunately the Falun Gong is an insane cult and not a very reliable source of information
RationalWiki has a big citations-packed section on their claims of organ harvesting in China:
https://rationalwiki.org/wiki/Falun_Gong#Victims_of_Organ_Ha...
I hope after the Iraq "incubator smashing" fiasco, and "WMD"s, Americans apply some skepticism towards claims that their geopolitical adversaries act like fantastical TV show villains.
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edit, bc can't reply because I'm massively getting flagged and downvoted across all my posts
here's me addressing claims that nobody has challenged the Matas report:
https://en.m.wikipedia.org/wiki/Kilgour–Matas_report
> The report, based on circumstantial evidence, concluded that "there has been, and continues today to be, large-scale organ seizures from unwilling Falun Gong practitioners."[2] China has consistently denied the allegations.[3][4]
then
> The initial report received a mixed reception. In the US, a Congressional Research Service report by Thomas Lum stated that the Kilgour–Matas report relied largely on logical inference, without bringing forth new or independently obtained testimony; the credibility of much of the key evidence was said to be questionable.[5]