It was not until he was reading through a paper published by an oil company that had collected geological information in the area that he realised the volcanic surge he had seen might be related to a cosmic collision.
Former BP drilling engineer Kurt Mix was arrested last April on charges of obstructing justice related to information that he had collected, and allegedly deleted, during his role of trying to stop oil leaking into the Gulf of Mexico during the 2010 BP oil spill.
This fell outside the scope of Bishop's work but he conducted open source record research for her and collected and reviewed classified information on the topic, the affidavit said.
"Russia will continue to provide intelligence information we have collected on the infrastructure, location and training of international terrorists, " he said.