Were Al Qaeda terrorists killed in Pakistan?

Mohammad Shehzad's attempt to visit Bajaur -- the site of the January 13 attack by United States aircraft in which several top Al Qaeda leaders were reported killed -- was foiled by Pakistani security agencies who stopped him at Darband checkpost on January 19.

Subsequent investigations and talks with several intelligence sources and local journalists exposed several intriguing aspects of the case, but threw up more questions than answers. This is what he discovered: