Japanese reporters on the ground were later told that their colleague had slipped into the station a bit earlier to set things up.
Only about 15 Japanese reporters cover his starts, reduced from three times that number.
"I cannot find words to describe it," he told Japanese reporters.
More than 150 Japanese reporters and photographers were given media access.
He refused to take any questions from Japanese reporters.
Predicting his home run total has been a popular practice among Japanese reporters.
American reporters and Japanese reporters asked each other for help.
The move follows the deportation last month of a Japanese reporter on similar charges.
"Japan has strong economic potential," he told a news conference for Japanese reporters.
A witness told Japanese reporters of her escape from the crumbling mountain.