Opinion of the Court. NOTICE: This opinion is subject to formal revision before publication in the preliminary print of the United States Reports. Readers are. Full-length feature article on Kyllo v. United States, which was heard by the United States Supreme Court in February Drawn from the full-text version of. In Agent William Elliott of the United States Department of. Interior began to suspect that Danny Kyllo was using his home for the indoor cultivation of.

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The cases discussed above support the following general Fourth Amendment principle: The imager provided information about the location of “hot spots” on the exterior of petitioner’s home, in comparison to other portions of petitioner’s home and adjoining dwellings. Arkansas Richards v. The device recorded only heat being emitted from the home.

An earlier opinion Supp. Royer United States v. Illinois Minnesota v.

Kyllo v. United States – Wikipedia

United States Aguilar v. The Court cautioned that different questions would have been presented if the government had used “[a]n electronic device to penetrate walls or windows so as to hear and record confidential discussions. Ciraolo and Riley illustrate the same basic principle. It is similar to a camera in that respect, except statew a camera collects energy from the visible range of the electromagnetic spectrum, while imagers collect information from the infrared range.


Garrison Groh v. Seizures Distinguishing stops and v.uited Dunaway v. The record in this case supports those findings. In Riley, the plurality emphasized that “[a]s far as the record reveals, no intimate details connected with the use of the home or curtilage were observed.

The petition for a statex of certiorari was filed on March 7,and certiorari was granted on September 26, United States Maryland v.

Drayton Brendlin v. On the basis of this criterion, the information obtained by the thermal imager in this case was the product of a search. Maryland Camara v.

Kyllo v. United States – Merits | OSG | Department of Justice

Applying those principles here, the use of the thermal imager was not a search because it did not involve physical or technological invasion of the home or its curtilage and did not reveal private activity or objects in the interior of the home.

Calandra Stone v. According to the District Court that presided over Kyllo’s evidentiary hearingthe device could not “penetrate walls or windows to reveal conversations or human activities. The dissent argues that we have injected potential uncertainty into the constitutional analysis by noting that whether or not the technology is in general public use may be a factor.

Jardines Klayman v.

Kyllo v. United States – Merits

In assessing whether the use of technology to gather information constitutes a “search” under the Fourth Amendment, it is necessary to identify “precisely the nature of the state activity that is challenged,” Smith kylko. This Court’s decisions establish, however, that the Fourth Amendment does not preclude the government from obtaining the assistance of technology to observe an area that is exposed to the public, provided that the technology does not permit the government to detect private activities occurring in private areas.


Wardlow Florida v. The judgment of the Court of Appeals is reversed; the case is remanded for further proceedings consistent with this opinion.

Harris Plumhoff v. Katz marked a turning point in Kyplo Amendment jurisprudence, in which the Court recognized that “the reach of that Amendment cannot turn upon the presence or absence of a physical intrusion into any given enclosure,” U. Subpoenaed utility records showed that power usage at Rhododendron Drive was in Lorie Kyllo’s name, with a telephone number ofthe same number that Sam Shook frequently called. Ross California v. The device cannot “see” through walls or reveal people or activity inside of a building.

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