The Bucks County man arrested Thursday for possessing three pipe bombs told Warrington Township police the explosive device he left in his mother’s kitchen was intended for Fourth of July fireworks, but a federal investigator alleged in court papers Friday that if detonated, the device could have been deadly. “From my training and experience, I know that fireworks are typically housed in paper tubing, which will not cause dangerous shrapnel to be created when lit,” Agent Derek K. Valgora of the federal Bureau of Alcohol, Tobacco, Firearms and Explosives said in an affidavit filed in U.S. District Court in Philadelphia.
