"You need to instill a sense of urgency" in field agents, Mr. Gebhardt wrote.
"They need to get out on the street and develop sources.
"You need to demand that information is being sent" to the bureau's headquarters in Washington, he continued, adding: "You are the leaders of the F.B.I. You cannot fail at this mission. Too many people are depending on us...."
Among their complaints, senior bureau officials have said they are unhappy that some field offices are not moving aggressively enough to use secret terrorism warrants, are not developing enough intelligence sources to penetrate possible terrorist cells and are not loading all the terrorism-related information they receive into the F.B.I.'s central computer system.
Officials said that senior bureau leaders in recent weeks have directed field supervisors to demand weekly written briefings from their counter-terrorism squads, ask more questions about investigations and push for greater use of warrants and surveillance against suspects.
"They need to get out on the street and develop sources.
"You need to demand that information is being sent" to the bureau's headquarters in Washington, he continued, adding: "You are the leaders of the F.B.I. You cannot fail at this mission. Too many people are depending on us...."
Among their complaints, senior bureau officials have said they are unhappy that some field offices are not moving aggressively enough to use secret terrorism warrants, are not developing enough intelligence sources to penetrate possible terrorist cells and are not loading all the terrorism-related information they receive into the F.B.I.'s central computer system.
Officials said that senior bureau leaders in recent weeks have directed field supervisors to demand weekly written briefings from their counter-terrorism squads, ask more questions about investigations and push for greater use of warrants and surveillance against suspects.