The U.S FBI says it is in contact with the families of the five men and is working with Pakistani authorities to determine their identities, the nature of their business in Pakistan,and if indeed the men are the students who went missing late last month.

VOA: standard.2009.12.11

So if you can somehow upload a message into DNA, it could last a very,very long time,indeed."

VOA: standard.2010.04.16

The Taliban immediately denied the report. If both Mehsuds and Yuldashev have indeed died, then security analyst Khalid Aziz says the militants should be scrambling for new leaders.

VOA: standard.2009.10.03