Federal agents suspected that DLK was growing marijuana in his home. The Supreme Court ruled 5-4 that the thermal imaging of Kyllo's home constituted a search. A case in which the Court found the use of thermal-imaging to detect areas of high heat in one's private home was a violation of the Fourth. This case presents the question whether the use of a thermal-imaging device aimed at a private home from a public street to detect relative amounts of heat. Supreme Court cases involving thermal-imaging devices to scan residence for heat. But did the scan violate DLK's Fourth Amendment rights? That is the question asked by this Mini-Q.