The screening for the crew was much more stringent, even without Shouta Takashimaya being a hijacker. Since the front freight area had disassembled weapons, the obvious question would be… Who would need to retrieve the weapons? Wouldn't that be a crew member?
As for the charter flight for the passengers, it wouldn't need the current crew. In fact, before the screening ended, the whole crew had to stay at the airport or another designated place.
The crew didn't have as much rights as passengers; they had to obey all the rules.
Shino Shibuya, as Shouta Takashimaya's fiancée, was a major focus of the investigation. Hideo Ohno, rumored to be having an affair with Shino Shibuya, was also thoroughly investigated.
"Minako."
When Shino Shibuya finished her interview, she returned to the lounge for the crew. She sat next to Minako Sakurai and whispered, "Were you the whistleblower?"