An explosion causes damage to an Air Force recruiting center in Oklahoma.
But a federal agent later said authorities were investigating the incident as a criminal act, according to News on 6 in Tulsa, Okla.
One of the office's two front doors was off its hinges Tuesday morning and lying in the parking lot.
The incident has not officially been called a domestic terrorism case, but the investigation is ongoing. The center was closed and no one was hurt, federal authorities said.
Jennifer Proctor said Wednesday that Benjamin Don Roden enlisted for Air Force active duty in April 2012 and joined the state's air national guard in October 2014.
NewsOn6 reported the explosion came from a possible pipe bomb.
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The FBI said they were aware of that witness report, but would not confirm the details. The office is situated in a commercial area that also houses small businesses, restaurants and financial planning firms. "There's no known connection, but it's quite ironic that that happened".
The Tulsa World reports that the Tulsa police and Federal Bureau of Investigation took a suspect into custody at an apartment complex on Tuesday afternoon.
Investigators with the FBI and the Bureau of Alcohol, Tobacco, Firearms and Explosives are at the scene.
"It's a little bit comforting that they didn't want to kill anybody", FBI Special Agent Jessi Rice said at a press conference. Law enforcement agents are reportedly following up on the potential lead.
Investigators have reportedly indicated such a designation can not occur until a suspect or a motive becomes known.