Following the arrest and extradition in 2008 of Karadzic, as well as the transfer of the former Serbian president Slobodan Milosevic to The Hague in 2001, Belgrade is confident it is now washing away the stigma of war crimes.
Interpol issued a red notice, a request for his arrest and extradition, in October.
For the next eight years, Ahmad fought against extradition in the UK and European courts.
Mr. Sheikh, who is no relation to the accused, has written articles on extradition in the past, and he said that in the last week, he had returned to his research after being asked about the Pearl case.
In June 1991, on the same day that the Colombian Congress voted to forbid extradition in the country's new constitution, Escobar surrendered and was subsequently jailed.
The government has yet to respond, but high-profile cases have kept extradition in the spotlight.
A federal prosecutor, Joseph F. Bianco, said in court that the United States will seek his extradition in the charges announced yesterday.
Challenging the government's deployment of the foreign act of state doctrine, Kaufmann said the conduct of both British and foreign states was routinely used as evidence in both asylum and extradition cases both in the UK and overseas.
These red notices indicate that Argentina seeks the arrest and extradition of the five in connection with a terror attack against the Jewish community center in Buenos Aires in 1994 that killed 85 people.
That, exactly, is what the United States demands: they must alter their criminal codes and extradition laws, even (in the Caribbean) open their territorial waters to American coastguards.
