They also found explosive materials at a home he rented in New Orleans that tests initially identified as R-Salt, an explosive similar in chemical makeup to RDX.

The compound, called R-Salt, has never been used in a U.S. or European terrorist attack or incident. Jackson said the FBI is going to conduct additional tests of the explosive compound found in ...

They also found explosive materials at a home he rented in New Orleans that tests initially identified as R-Salt, an explosive similar in chemical makeup to RDX.