He said in a letter that the bank has not compliedfullywith a subpoena his office issued, and has been trying to "stymie" the investigation by seeking to prevent witness testimony.
"We are cooperating fullywith Air Canada and have compliedwith our customer's request to its caterers to heighten food safety procedures, including inspection and screening of all products boarded on flights, " said Gate Gourmet spokeswoman Christina Ulosevich.