Author: Chief Ken Wallentine

KEN WALLENTINE is police chief of the West Jordan (Utah) Police Department and former chief of law enforcement for the Utah attorney general. He has served over three decades in public safety, is a legal expert and editor of Xiphos, a monthly national criminal procedure newsletter. Wallentine is a member of the board of directors of the Institute for the Prevention of In-Custody Death and serves as a use of force consultant in state and federal criminal and civil litigation across the nation.

Letter to the Judge Backfires and is Admissible in Court

Letter to the Judge Backfires and is Admissible in Court

[vc_section css="vc_custom_1525482743015{padding-bottom: 3em !important;}" el_class="container"]United States v. Bauzó-Santiago, (1st Cir. 2017) Jaime Bauzó-Santiago wrote a letter to the judge presiding over his trial for illegal possession of a firearm. The letter...

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Officers Sued for Withholding Exculpatory Evidence

Officers Sued for Withholding Exculpatory Evidence

[vc_section css="vc_custom_1525482743015{padding-bottom: 3em !important;}" el_class="container"]Alvarez v. City of Brownsville, 860 F.3d 799 (5th Cir. 2017) In many jurisdictions across the nation, prosecutors are taking a more aggressive stance on Brady/Giglio lists....

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Dual-Stop Technique Results in Voided Asset Forfeiture

Dual-Stop Technique Results in Voided Asset Forfeiture

[vc_section css="vc_custom_1525482743015{padding-bottom: 3em !important;}" el_class="container"]United States v. Gorman, (9th Cir. 2017) A trooper stopped Gorman for a left lane passing violation on the interstate freeway. The trooper’s conversation with Gorman caused...

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Courts Uphold Collection, Admission of Real-Time Cell Site Location Information Without a Search Warrant

Supreme Court Accepts Cell Site Location Information Petition

[vc_section css="vc_custom_1525482743015{padding-bottom: 3em !important;}" el_class="container"]As we’ve followed the rapid development of Fourth Amendment jurisprudence related to cell site location information (CSLI), we’ve told you about several cases likely to...

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No Expectation of Privacy in Ankle Monitor GPS Data

No Expectation of Privacy in Ankle Monitor GPS Data

[vc_section css=".vc_custom_1540328728009{padding-top: 3em !important;padding-bottom: 3em !important;}" el_class="container"][vc_column width="2/3"]United States v. Mathews, 2017 WL 1407036 (D. Colo. 2017) Officers suspected Mathews of committing two pawn shop...

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