Chelsea bomber made 'weapons of mass destruction' using sling shot ammo, candy-making ingredients

The Chelsea bomb was created with products bought on eBay.
(Image credit: Getty Images)

The homemade bombs built by Ahmad Khan Rahami and placed in locations across New York and New Jersey over the weekend were constructed using materials he purchased on eBay, Vice reports. Rahami now faces charges for "bombing a place of public use" and "attempted murder," as well as a charge for the "use of weapons of mass destruction."

Rahami began collecting the odds and ends for such weapons in June, FBI special agent Peter Licata said:

[Rahami's] shopping list allegedly included electronic circuit boards and "electric igniters" intended to be used "for fireworks," as well as 200 "hardened lead milling balls" and two packages of .50 caliber "sling shot ammo." Those items, Licata wrote, were used as detonators and shrapnel in the pressure cooker bombs that Rahami placed in Chelsea.On Aug. 10, Rahami purchased five pounds of citric acid from eBay. The listing for the item described it as "great for bath bombs and candy making." In addition to its many benign uses, Licata noted that citric acid is a "precursor chemical commonly used in improvised explosives." It can be used to make the explosive compound HMTD, which was reportedly found inside a second pressure cooker bomb in Chelsea that failed to detonate.

When buying the ingredients for his weapons, Rahami apparently intentionally misspelled his name as "Rahimi." The FBI says they have cell phone video of him testing a weapon on Sept. 15 in Elizabeth, New Jersey.

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It was a success. There was "loud noise and flames," the FBI documents say, "followed by billowing smoke and laughter."

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Jeva Lange

Jeva Lange was the executive editor at TheWeek.com. She formerly served as The Week's deputy editor and culture critic. She is also a contributor to Screen Slate, and her writing has appeared in The New York Daily News, The Awl, Vice, and Gothamist, among other publications. Jeva lives in New York City. Follow her on Twitter.