He says legal notices have been sent to Ms Obaid-Chinoy and a fellow producer, Daniel Junge.
Before Begleiter began interviewing Baker, though, he went to Chinoy in China for the latest on what was happening in Beijing.
Sajjid Chinoy, an economist at JPMorgan in Mumbai, returned to India after living in America for 15 years.
In the end, the underground complex turned out to be empty, Chinoy noted.
"So much of what a visitor does see here is so choreographed that many things remain unclear, " Chinoy said.
Film-maker Sharmeen Obaid-Chinoy has become the first Pakistani to win an Oscar nomination for best documentary in the short subject category.
Film-maker Sharmeen Obaid-Chinoy's triumph in becoming the first Pakistani to win an Oscar has been greeted with jubilation in her home country.
BBC: Pakistan's Oscar triumph for acid attack film Saving Face
But Ms Obaid-Chinoy insists the women have signed legal documents allowing the film to be shown anywhere in the world, including Pakistan.
It was in that moment that Chinoy realized that television news -- and the 24-hour news cycle CNN had pioneered -- was going to alter everything.
"It showed the way this live, real-time news on television was going to change the dynamics of how major players responded to dramatic events and crises, " said Chinoy.
Chinoy said his CNN crew had been allowed to talk with North Korean officials about headline issues, including North Korea's continuing famine, or the North's missile program.
Junge and Chinoy hope to screen the film in Pakistan, but, Junge says, they are waiting to ensure the protection of the women who appear in the film before they do so.
FORBES: Saving Face: A conversation with Sharmeen Obaid-Chinoy
The film, directed by Daniel Junge and Sharmeen Obaid-Chinoy, tells the story of Pakistani women who are victims of acid attacks, and of a London plastic surgeon who travels to Pakistan to rehabilitate them.
FORBES: Saving Face: A conversation with Sharmeen Obaid-Chinoy
Mike Chinoy, a former CNN correspondent who has visited North Korea 15 times, said the current confusion about Pyongyang's capabilities recall a similar episode in 1998, when U.S. spy satellites discovered an underground complex at Kumchangri, not far from North Korea's main nuclear facility at Yongbyon.
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