The Detroit Free Press reported on Thursday, January 7, 2010, that "Customs and Border Protection agents ... planned to ask [Umar Farouk Abdulmutallab] additional questions after [Flight 253] landed in Michigan [Christmas Day]."
I suppose it would've met CBP's desire for "additional" investigation to have cadaver dogs sniffing around his (and hundreds of others') bodies?
Cart, horse; horse, cart. The difference matters.