The Music Box Code: World's greatest fear, terrorists with suitcase NUKES

A small cell of terrorists, seeking to destabilize a country, and involve the United States in a war in the middle east, obtain the parts for weapons of mass destruction, which have to be assembled. They use a complicated code plated on handmade music boxes crafted by two of the groups already imprisoned comrades, who need to reveal the location to where the components are hidden.