The FBI on Oct. 29 said the gunman behind a series of shootings at U.S. military buildings appears to have a “deep grievance” with the U.S. Marine Corps and appealed to him to come forward.

No one has been injured so far in four shootings this month in northern Virginia that have targeted the Pentagon, a marine recruiting office and the National Museum of the Marine Corps, which came under fire for a second time overnight.

The shooter appeared to be trying to “avoid casualties” by opening fire on unoccupied buildings after business hours, John Perren, acting assistant director of the FBI Washington field office, told reporters.

But there was a risk the spree could “lead to disastrous consequences that we all wish to avoid,” he said.

Investigators assumed the shooter was either in the Marines or a former member of the Corps, officials said at the news conference in Washington.

“We believe the subject has a grievance surrounding the U.S. Marine Corps. It may be that he feels he’s been wronged by the Corps in his professional and/or his personal life,” he said.

The FBI used the televised press conference to try to send a message to the suspected shooter, asking him to contact authorities and offering to hear him out.

“We’d like to know what this grievance is and what we can do to try to help resolve it. We’re willing to listen to him and hear his side of the story.”

The suspect likely had suffered recently from a “personal crisis,” he said.

The recent shootings prompted the Defense Department to tighten security before this Sunday’s U.S. Marine Corps marathon, which is staged at the Pentagon.

Source: Agence France-Presse

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November 2010

The FBI on Oct. 29 said the gunman behind a series of shootings at…