BREST, France — The Chinese captain of a suspected shadow fleet vessel said two Russian citizens present on board were there as “security agents” and were not working under his control, according to documents cited in court. Zhangjie Chen, 39, went on trial in Brest, northwest France, on Monday for failure to comply with law enforcement orders when his vessel, the Boracay, was stopped by the French Navy last September. Chen, who was not present in court, was represented by his lawyer. His trial