page_title: Florida v. Harris
hierarchical_section_title: Florida v. Harris
caption_attribution_description: Police Dog of the Outagamie County, Wisconsin Sheriff's Department.
context_page_description: Florida v. Harris, 568 U.S. 237, was a case in which the United States Supreme Court addressed the reliability of a dog sniff by a detection dog trained to identify narcotics, under the specific context of whether law enforcement's assertions that the dog is trained or certified is sufficient to establish probable cause for a search of a vehicle under the Fourth Amendment to the United States Constitution. Harris was the first Supreme Court case to challenge the dog's reliability, backed by data that asserts that on average, up to 80% of a dog's alerts are wrong. Twenty-four U.S. States, the federal government, and two U.S. territories filed briefs in support of Florida as amici curiae.
  Oral argument in this case – and that of another dog sniff case, Florida v. Jardines – was heard on October 31, 2012. The Court unanimously held that if a bona fide organization has certified a dog after testing his reliability in a controlled setting, or if the dog has recently and successfully completed a training program that evaluated his proficiency, a court can presume that the dog's alert provides probable cause to search, using a "totality-of-the-circumstances" approach.
context_section_description: Florida v. Harris, 568 U.S. 237 (2013), was a case in which the United States Supreme Court addressed the reliability of a dog sniff by a detection dog trained to identify narcotics, under the specific context of whether law enforcement's assertions that the dog is trained or certified is sufficient to establish probable cause for a search of a vehicle under the Fourth Amendment to the United States Constitution.  Harris was the first Supreme Court case to challenge the dog's reliability, backed by data that asserts that on average, up to 80% of a dog's alerts are wrong.  Twenty-four U.S. States, the federal government, and two U.S. territories filed briefs in support of Florida as amici curiae.
  Oral argument in this case – and that of another dog sniff case, Florida v. Jardines – was heard on October 31, 2012. The Court unanimously held that if a bona fide organization has certified a dog after testing his reliability in a controlled setting, or if the dog has recently and successfully completed a training program that evaluated his proficiency, a court can presume (subject to any conflicting evidence offered) that the dog's alert provides probable cause to search, using a "totality-of-the-circumstances" approach.
caption: Police dog
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