The message came as newly confirmed director Kash Patel told employees that bolstering field office personnel across the country was a top priority.
Patel inherits an FBI gripped by turmoil as the Justice Department has forced out a group of senior bureau officials in the past month.
The FBI arrested two teenage girls plotting a “mass casualty attack” using pipe bombs and guns targeting Memorial High School in Harris County, Texas, police said.
The Federal Bureau of Investigation is offering a reward of up to $25,000 for information that leads to the location of a man connected to a homicide that happened at a Long Beach restaurant in 2008.
The robber is seen on surveillance video pointing a silver pistol to force the pharmacist to hand over drugs from the safe.
The new FBI director instructed personnel not to respond to Musk's demand to justify their job or face dismissal.