ISIS activity prompted military bases around the country to raise security levels. On Friday, officials confirmed that security conditions at U.S. military bases were increased over growing concerns about terror threats. The heightened security did not come as a result of a specific threat but because the military had become concerned about several recent incidents.
Military bases are now at "Force Protection Bravo." This is the Defense Department's third-highest threat level. According to CNN.com, "The Force Protection Condition, or FPCON, is a five-tier threat level system that is overseen and decided by the Department of Defense."
The tier named Bravo is described by a U.S. Air Force document as when "an increased and more predictable terrorist threat activity exists." The level means there is information that suggests probable violence in the United States, and there must be extra precaution to deter terrorist planning.
A jihadist who is liked to the Garland, Texas attack tweeted the name and address of a U.S. military officer connected to the military's Syrian rebel training program. That message was tweeted a few days before the attack on the cartoon exhibit and appeared to encourage an attack on the address.
U.S. law enforcement officials believe British-born jihadist Junaid Hussain, the man who sent the tweet, has been messaging with Elton Simpson, one of the two attackers of the Texas event, and had been urging Simpson to take action.
In the past, the Pentagon has been warning about ISIS attacks on the public, military and law enforcement. Prior to these recent communications and attack in Garland, Texas, ISIS-connected accounts published names and addresses of about 100 military members.
FBI Director James Comey told reporters last Thursday that there are thousands of ISIS followers online in the U.S. "We have a general concern, obviously, that ISIL is focusing on the uniformed military and law enforcement."
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