Washington DC-based Voice of America cut the interview short owing to "pressure from various parties", VOA interviewee Guo Wengui, who is subject to an Interpol "red notice", said in a video posted on his Twitter feed following the VOA interview.
The South China Morning Post also reported on Wednesday, that Interpol had issued a "red notice" for Guo prior to the interview.
Guo said he met officials from China's graft-busting Central Commission for Discipline Inspection and the Communist Party's Central Political and Legal Affairs Commission in London a year ago about Ma's case, adding that facts of the case differed from the allegations in the notice to Interpol.
Guo's case has been closely followed by Chinese political watchers, who say his leaks could be potentially damaging as internal factions jostle for power in the months leading up to the 19th Party Congress expected this fall, when a new generation of party leaders will be chosen. He is believed to be in the USA or Britain, two countries that do not have extradition treaties with China.
"It's all lies, all threats, " Guo said.
Guo said that earlier this week he and the USA -government-funded Voice of America had received threats from Chinese agents warning them against releasing an interview in which he promised to dish information about Chinese leaders.
Guo Wengui has posted photos of himself on social media site twitter, working out.
He is wanted for allegedly bribing former Chinese state security vice-minister Ma Jian with 60 million yuan ($11.5 million).
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"In a miscommunication, the stream was allowed to continue beyond the first hour".
"This (red notice) is suicidal behaviour coming from truly corrupt officials who fear that I will expose their crimes", Guo wrote on Twitter Wednesday.
Guo Wengui, aka Miles Kwok, is a Forbes rich-lister who shot to global prominence last month when it was revealed the 50-year-old was a member of US President Donald Trump's Mar-a-Lago resort in Florida.
Guo allegations have highlighted "the real issue that corruption unfortunately appears to be in the DNA" of China's system, Bishop said.
Citing corporate registration documents and interviews with relatives, The New York Times reported earlier this month that He's family did indeed have extensive ties to Founder, substantiating at least some of Guo's claims.
Associated Press writer Lori Hinnant in Paris contributed to this report.
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