However, the company denies there is a problem and tells Veerman not to make allegations against a superior. [Armstrong and Trento, 2007, pp. 54] Entity Tags: Abdul Qadeer Khan, URENCO, Frits Veerman Timeline Tags: A. Q. Khan's Nuclear Network Mid-October 1975: Dutch Begin to Investigate A. Q. Khan over Disclosure of Nuclear Secrets The BVD, a Dutch intelligence service, begins investigating A. Q.