Federal investigators think they know what started the fire that damaged the Albuquerque Old Navy Saturday morning. After officers tracked down David Hickman, a suspect they named on Monday, they ...

This file photo shows a half pound of Tannerite detonated under a car hood. It depicts a similar scenario to an exercise conducted at a rural training site that injured a firearms instructor. During ...

What to know about Tannerite and ammonium nitrate. — -- Tannerite and ammonium nitrate -- explosive materials -- were found among the suspected Las Vegas gunman's arsenal of weapons and ...

LORAIN, Ohio — Investigators found 100 pounds of explosives in the car of the man who killed a Lorain police officer and wounded two others last week, authorities said. The explosives were powerful ...

We already know the explosive potential of ammonium nitrate. It was witnessed during the deadly fertilizer storage facility explosion in West, Texas last year. So potentially destructive is ammonium ...

Federal investigators said the bomb that went off in New York over the weekend were made with a substance that could be bought at many sporting goods stores.Tannerite, the explosive target used in a ...