Nineteen people were rearrested, including 38-year-old Taishi Yamada, who has an unspecified address and is unemployed. The 1 members are believed to be a special fraud group based in a hotel in Cambodia, but only a few were able to move freely there.

Many of its members were suspected of being scammed under house arrest, according to interviews with investigators. Some members have had their passports and personal mobile phones taken away and testified that they have never been out since entering the country.