I-15 may be shut down again as officials detonate more powerful explosives
 

By Miriam Raftery

November 20, 2010 (Escondido) – More than nine pounds of Hexamethylene Triperoxide Diamine (HMTD), a powerful explosive used in suicide bombings and terrorist plots including the planned Millennium bombing in L.A., have been discovered by authorities at an Escondido home.