Originally Posted by moeloubani

And in fact the Wiki also states:

On February 20th a Russian Foreign Intelligence Service (SVR) report has referred to Pakistan's ISI stating that top-secret CIA documents found in Davis's possession point to him and/or TF373 (American Task Force 373) of providing al Qaeda terrorists with "nuclear fissile material" and "biological agents". [96][97] According to the report, the combat skills exhibited by Davis, along with documentation taken from him after his arrest, prove that he is a member of US TF373 black operations unit currently operating in the Afghan War Theatre and Pakistan's tribal areas.[98]