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Featured articles related to Police Practices and Police Procedures, written by Expert Witnesses and Business Consultants on the subject.. Contact Us if you are interested in having your work published on our website and linked to your Profile(s).

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6/26/2017· Police Practices & Procedures

The "21 Foot Rule" - Forensic Fact or Fantasy?

By: Dr. Ron Martinelli

Officers throughout the United States and perhaps internationally have heard use of force instructors discuss the "21 Foot Rule" during their officer safety, firearms and deadly force training. As both a use of force instructor and practicing forensic police practices expert, I have also trained and testified to this concept myself.

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6/9/2017· Police Practices & Procedures

Responses to Psycho-Medical Emergencies

By: Dr. Ron Martinelli

On a hot July day, fire and police are called to the home of a 55 year old man suffering from heat stroke. Police arrive first and find the man sitting on a bench in his front yard. When the officers approach the man and ask him to give them his cane, he becomes agitated and non-compliant. One officer suddenly grabs the cane away from the man, who screams and suddenly stands up. The man is tased, taken to the ground, beaten and handcuffed. He is transported to the hospital where ER physicians confirm a diagnosis of heat stroke. The man has no criminal history. He sustains numerous moderate injuries which keep him from returning to work for several weeks. The officers and agency are sued and settle out of court.

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5/4/2015· Police Practices & Procedures

Search Warrant or Consent to Search?

By: Roger Chappell

Not long after I promoted to sergeant, I was training in a patrol division. I was riding with another sergeant when we received a call from two patrol officers. They were at an apartment complex and had chased a male into an apartment. They requested a supervisor go by with them. So, as part of my training, we went.

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4/2/2015· Police Practices & Procedures

Due Diligence and Eyewitness Identification

By: Roger Chappell

I have read a number of books, studies, and court cases in my career to support the fact that eyewitness identification, by itself, is never sufficient enough to send a person to prison. This is not news. Over the past 20 years, more and more people are being exonerated for violent crimes due to DNA . This article is not to rehash old arguments. Instead, it is more of a reminder to investigators everywhere to not finalize a case, charge a person, and send them to prison based solely on an eyewitness' identification.

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11/15/2013· Police Practices & Procedures

Fear & Deadly Force: Officer Involved Shootings

By: Michael Levine

The rules governing the use of deadly force by law enforcement are as easy to understand as the rules for three-card monte but about as difficult to apply as brain surgery.

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10/29/2013· Police Practices & Procedures

The Weakest Link: The Dire Consequences of a Weak Link in the Informant Handling and Covert Operations Chain-of-Command

By: Michael Levine

Law enforcement agencies call them CIs (Cooperating Individuals, Confidential Informants, and/or Criminal Informants). Cops who use them call them stoolpigeons, stools, rats, chotas, etc. Intelligence agencies (Central Intelligence Agency [CIA], Defense Intelligence Agency [DIA], etc.) call them "assets" or the more confusing "agents."

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2/15/2012· Police Practices & Procedures

Murder or Stress-Induced Hypervigilance? Officer Johannes Mehserle and the Infamous "BART Shooting"

By: Dr. Ron Martinelli

On November 5, 2010, Superior Court Judge Hon. Robert Perry sentenced former BART Police Officer Johannes Mehserle to two years in state prison for the January 1,2009, accidental shooting death of 22-year-old Oscar Grant at the Fruitdale BART station.

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8/25/2002· Police Practices & Procedures

Law Enforcement Experts - The Underused Defense Weapon

By: Michael Levine

During my 25-year career in Law Enforcement, working for four Federal law enforcement agencies - IRS Intelligence, BATF, Customs and DEA - I never lost a prosecution case. Here's the "secret" to my success

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