The DOJ report on the findings (https://oig.justice.gov/sites/default/files/reports/25-005_3.pdf https://oig.justice.gov/sites/default/files/reports/25-005_3...

The DOJ report on the findings (https://oig.justice.gov/sites/default/files/reports/25-005_3.pdf https://oig.justice.gov/sites/default/files/reports/25-005_3...) mentions multiple airline employees were being used as confidential sources, so you might be right.