�y��vlog

Tests showed it was Hexamethylene triperoxide diamine, used as an initiating or primary explosive.

Inside the apartment, they discovered instructions on how to build explosives, including a manual called "The Terrorist Encyclopedia," high-capacity rifle magazines, a flare launcher, two shotguns and a plastic bottle containing seven grams of hexamethylene triperoxide diamine, or HMTD, according to court documents.

They said they found seven grams of an explosive chemical, hexamethylene triperoxide diamine, known as HMTD, two shotguns, ammunition and several handbooks for making weapons and booby traps.

Investigators believe the powder was a chemical called hexamethylene triperoxide diamine, or HMTD, an explosive that police officers said they found last month in the West Ninth Street apartment that Mr. Greene shared with his girlfriend, Morgan Gliedman, Mr. Browne said.

Authorities, executing a search warrant of the couple's Greenwich Village apartment, found bomb-making instructions, including a manual called "The Terrorist Encyclopedia", high-capacity rifle magazines, a flare launcher, two shotguns, and a plastic bottle containing seven grams of hexamethylene triperoxide diamine, or HMTD, court documents said.