South Carolina Man Charged With Possession Of HMTD and TATP

A Pickens county, South Carolina man has been arrested and charged by state law enforcement officers with possessing a homemade bomb. According to a news release from the S.C. State Law Enforcement Division (SLED), 58-year-old David Scott Halsey of Easley, S.C. has been charged with one count of possessing, manufacturing or transporting a destructive/ explosive device with intent to cause damage, injury or death.

According to a probable cause affidavit accompanying the warrant for his arrest, on November 2, 2020 Halsey was in possession of “hexamethylene triperoxide diamine (HMTD) a known improvised explosive” in such a manner “configured to cause damage, injury or death.”

Along with triacetone triperoxide (TATP) and silver acetylide, HMTD is one of three commonly used compounds in improvised explosive devices. It was used by domestic terrorist Ahmad Khan Rahimi in the September 2016 New York/ New Jersey bombings that wounded 31 people.

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