Armed with little more than a seized laptop computer containing extremist instructions for making a hydrogen peroxide bomb and a photo of laptop owner Najibullah Zazi, federal agents went to work. For ...

Terrorists like acetone peroxide because it’s the rare explosive that doesn’t contain nitrogen, the key ingredients bomb detectors search for. It’s also cheap, easy to make at home and so unstable ...

After last year's London bus bombings that used acetone peroxide explosives, I attempted to alert the U.S. government to the advisability of denaturing acetone and related ketone solvents available to ...

The brutal attacks on Paris in November relied on a homemade explosive discovered over a century ago. Called triacetone triperoxide (TATP), it’s a chemical that uses hydrogen peroxide — the stuff you ...