Category Archives: Collective knowledge

WA: SW may be issued for mitigation evidence in death penalty case; here from def’s prison cell

A search warrant can be issued for evidence in mitigation of the death penalty. Defendant was charged with murder of a prison guard, and it was information in his prison cell of books, documents, and medical reports. The state law … Continue reading

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N.D.Ind.: Collective knowledge doctrine doesn’t require any specifics be held by officer making the stop

Under the collective knowledge doctrine, the officer actually making the stop doesn’t have to know much of anything that the officers with knowledge know. Nothing needs to be communicated, other than the identity of the person or car stopped. There … Continue reading

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FL1: Collective knowledge applies to affidavit for SW in CP case

The affiant on a child pornography search warrant doesn’t have to personally view the material. He can relate what another officer said who did see it under the collective knowledge doctrine. Mardosas v. State, 2018 Fla. App. LEXIS 14012 (Fla. … Continue reading

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D.Conn.: Targetted burner phone ringing during stop on RS was PC for def’s arrest

CIs gave information that they bought drugs from a guy with a burner phone, and the phone was ultimately linked to defendant. Based on collective knowledge, the police had sufficient information for reasonable suspicion to stop and detain defendant. Defendant … Continue reading

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CA4: Collective knowledge doctrine doesn’t require reporting back to the source

The CI’s information viewed under the totality provided reasonable suspicion for the stop of defendant. [Defendant’s approach was divide and conquer the facts.] The collective knowledge doctrine does not require the stopping and arresting officer keep the officer providing the … Continue reading

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D.D.C.: Flight from a potential encounter in a high crime area is RS; detention after that was reasonable based on collective knowledge

Flight from a potential encounter in a high crime area is reasonable suspicion. Detention after that was reasonable based on collective knowledge. The court also addresses at length vertical and horizontal collective knowledge and follows the Fourth Circuit rule that … Continue reading

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VI: BOLO information shared at beginning of shift satisfies collective knowledge

BOLO information shared with officers at the beginning of their shift qualifies as collective knowledge. Emanuel v. People, 2018 V.I. Supreme LEXIS 10 (June 15, 2018) (relying on United States v. Braden, 2012 U.S. Dist. LEXIS 115755 (W.D. Tenn. July … Continue reading

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PA: Second officer arriving at scene knew enough for collective knowledge to apply; full (and unnecessary) discussion of vertical v. horizontal collective knowledge if you’re interested

Pennsylvania adheres to the vertical approach of collective knowledge. Here, another officer got involved and made the decision to arrest, but he knew what the first officer knew, and that was enough. This was still collective knowledge. (There is a … Continue reading

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M.D.La.: Finding CP image hash values on a computer is PC for search

The finding of child pornography hash values on a computer is probable cause for further search of the computer. United States v. Sherlock, 2018 U.S. Dist. LEXIS 1321 (M.D. La. Jan. 4, 2018).* Playpen warrant sustained, and there was no … Continue reading

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CA11: RS can be found by collective knowledge

Probable cause to search defendant’s vehicle existed based on officers’ collective knowledge, including a tip from an informant who had recently been found with cocaine, identified defendant as his primary supplier, and described how she hid cocaine under her car’s … Continue reading

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PA: Collective knowledge and RS doesn’t require the officer with knowledge actually communicate it to the others

Collective knowledge and reasonable suspicion doesn’t require the officer with knowledge actually communicate it to the others. “It is entirely permissible for an officer to engage in the investigation of a suspect based on the observations of another officer even … Continue reading

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OH10: Stopping the first person officers see after hearing gunshots was without RS

Officers heard gunshots and stopped the first person they saw. That essentially was a stop on a hunch and without reasonable suspicion. State v. Hairston, 2017-Ohio-7612, 2017 Ohio App. LEXIS 3934 (10th Dist. Sept. 14, 2017). “Here, the team of … Continue reading

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