A DEADLY PUZZLE.

Offers a look at the investigation of the July, 2005 London subway bombings as of July 25, 2005. Report that London police raided a bookstore which some suspect served as a meeting place for radical Muslims; Claim that the four suicide bombers, including Shahzad Tanweer, Hasib Hussain, Mohammed Sidique, and Germaine Lindsay, were British citizens; Efforts of investigators to uncover the links between the men and the terrorists who trained and inspired them; Profile of each suspect and their connections to one another; Details of the arrest and questioning of Egyptian chemist Magdy Mahmoud Mustafa el-Nashar; Continuation of recovery efforts and investigations of the bombings by British officials.