need respirators. >> reporter: no respirators to prevent them from breathing toxic air? so we took our findings to washington. to the lead agents involved in the cleanup efforts. our first stop was the epa, who told us to go to the agency in charge of workplace safety, which declined an interview. so we went to the man who was the face of the oil spill response and the only one to acknowledge that maybe something better could have been done for these workers. were this to happen again, would you admiral allen have employed these vessels of opportunity? >> i think i'd be very judicious in employing vessels an opportunity in the future. i think they can be used effectively but understand the environment that the they're operating in, the impact on the people and on the boats. >> reporter: and finally we went to bp's top men in the gulf who despite hundreds of workers reporting the same symptoms refuses to say whether anyone got sick. do you think that anybody got sick? >> i can't answer that question. >> reporter: who is ultimately responsible for the safety