“Listen to what I say, is it wrong?” he asks. “People are poor. Let’s not throw our money in Africa.”

“The seven, eight of you here,” he says to the officers in the clip, “listen up, throwing money like this is of no good to our country and society.”

Then he grows more alarmed, saying, “What are you doing? What are you doing? Let me tell you, it’s illegal for you to come to my home.”

“I have my freedom of speech!” he adds.

The phone then goes dead.

The host of the program, Bo Xu, said, “This is the status quo of human rights in China.”

Voice of America Mandarin said it had tried to reach Mr. Sun after the incident but was unsuccessful.