Archive · 5 Sep 2026
Pentagon Administers Polygraphs to 50 Joint Staff Personnel
The Pentagon is trying to find out who may have shared secret military information with the media.
About 50 people from the Joint Staff reportedly took lie detector tests.
The tests happened during the past month.
Investigators asked about information involving US supplies of ammunition and other sensitive matters.
The Joint Staff has between 1,500 and 2,000 people.
Pentagon spokesperson Sean Parnell would not discuss the specific investigation.
He said the military takes national-security leaks very seriously.
He also said protecting secret information helps keep US troops safe.
Around 50 Joint Staff members reportedly underwent polygraph tests over the past month.
Investigators questioned personnel about leaks involving US munitions supplies and other sensitive information.
The Joint Staff has approximately 1,500 to 2,000 personnel.
Pentagon spokesperson Sean Parnell declined to comment on internal personnel matters or ongoing investigations.
Parnell said confirmed national-security leaks would prompt appropriate action to protect sensitive information and deployed US troops.
- Who
- Around 50 Joint Staff personnel were tested by Pentagon investigators; Pentagon spokesperson Sean Parnell addressed the report.
- What
- The Pentagon reportedly administered polygraph tests as part of an investigation into suspected media leaks.
- When
- The tests were reportedly conducted over the past month.
- Where
- The report concerns the Pentagon and the US military’s Joint Staff; the specific testing location was not stated.
- Why
- Investigators were seeking information about leaks involving US munitions supplies and other sensitive information.
- Reported number tested
- Around 50 Joint Staff members
- Testing period
- The past month
- Joint Staff size
- Approximately 1,500 to 2,000 personnel
- Investigated subject
- Leaks concerning US munitions supplies and other sensitive information
- Pentagon position
- It declined to comment on internal personnel matters or ongoing investigations
- Potential response
- Confirmed national-security leaks would lead to appropriate action
- Stated priority
- Protecting sensitive military information and US troops deployed around the world