During a Jan. 14 by NHK, Shinnosuke Kawashima, the Japanese public broadcaster’s Tehran bureau chief, described the atmosphere in the Iranian capital following .

“The Iranian government has repeatedly emphasized ‘the situation is under control,’ but access to the internet remains largely restricted and the atmosphere is tense in Tehran,” he said.

The reporting came amid a campaign of denial and cover-up by Iran’s authorities in a bid to conceal the true scale of the atrocities they were committing. Soon after Kawashima’s broadcast, the authorities arrested him and transported him to Ward 7 of Tehran’s Evin Prison on Feb. 23.