Since when does Homeland Security work for BP?

Two weeks before the accident in the Gulf of Mexico, a BP refinery in Texas spewed an immense amount of toxic chemicals into the skies. BP says it did not percieve the scale of the emissions till weeks after.

Freelance photographer Lance Rosenfield was working on assignment when a BP security guard followed him. Rosenfield was later detained by police after taking photos. The police shared his personal information with the BP security guard on grounds of "Homeland Security". Then an FBI agent shows up...

The photographer's own disturbing version of events is here.