“stuck strictly” implies exlusivity. That and the “apart from the first WTC bombing” implies that the first WTC bombing was the only vehicular explosive in the

“stuck strictly” implies exlusivity. That and the “apart from the first WTC bombing” implies that the first WTC bombing was the only vehicular explosive in the USA. I agree terrorist in the USA use guns a lot more than vehicle-born explosives. If that is what you would have written i would have not commented anything.