According to Gonzales, Qaddumi and Naman had previously worked together, "contrary to what they told the American employees working at Matrix-Churchill. The Iraqis working at Matrix-Churchill often talked about sensitive topics in Arabic rather than English. In addition, much of the correspondence related to sensitive matters such as discussions with Safa Al Habobi about money were written in Arabic to conceal the contents from the Americans working at MCC...In a July 10, 1989, memo, Al Habobi instructed employees of Matrix-Churchill to retain certain expense reports in Baghdad because they indicated that the Baghdad branch of Matrix-Churchill was paying various expenses of Iraqi military establishments.