The Latest on issues with the Dakota Access pipeline security (all times local):
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North Dakota's governor, its top law officer and its military leader all say they were unaware the private security firm hired by the developer of the Dakota Access pipeline was operating illegally without a license.
Internal TigerSwan documents indicate a close working relationship between the company and law enforcement during months of protests against the pipeline. But North Dakota's Private Investigative and Security Board says TigerSwan never had a state license.
Gov. Doug Burgum, Attorney General Wayne Stenehjem and National Guard Maj. Gen. Alan Dohrmann all say they weren't aware of the situation.
The regulatory board is suing to block North Carolina-based TigerSwan's armed workers from continuing to monitor the pipeline system. The board also is seeking unspecified fines and attorney fees.
TigerSwan didn't respond to a request for comment.
North Dakota regulators say a private security firm hired by the developer of the $3.8 billion Dakota Access pipeline operated in the state without a license and has continued doing so since being denied one.
North Dakota's Private Investigative and Security Board is suing to block North Carolina-based TigerSwan's armed workers from continuing to monitor the pipeline system.
The board also is seeking unspecified administrative fines and attorney fees from the company and its leader for operating without a license, a misdemeanor under state law that carries potential jail time and criminal fines.
Telephone numbers listed for TigerSwan were not answered Wednesday morning, and Texas-based Energy Transfer Partners didn't immediately return a call seeking comment.
The heavily protested pipeline started moving North Dakota oil to Illinois this month.