Karen Read defense nears end as expert challenges SUV-collision theory

The authorized crew of Karen Learn is approaching the tip of the case for her protection with crash reconstruction -expert Dr. Daniel Wolfe known as the rating on Friday.

It was the twenty eighth day of her recording about homicide and different costs on the loss of life of her former pal, a 46-year-old police officer in Boston named John O’Keefe.

Wolfe is the director of the reconstruction of accidents at an organization known as ARCCA.

Karen learn Denis {that a} confrontation between the deceased boyfriend and ATF agent notes

Dr. Daniel Wolfe, an knowledgeable from the ARCCA crash reconstruction firm, testifies in the course of the homicide technique of Karen Learn on Friday 6 June 2025. (Pool)

On the witness financial institution on Friday he stated that ArcCA designed a specialised “cannon” to simulate a cocktail glass on the rear mild of learn and decided that related injury may have been prompted if somebody threw the glass on about 31 mph and 37 mph.

“Of the 37 miles per hour check we get injury that’s usually constant, and with that I stated that we’re lacking elements of the outer lens, the underlying diffuser,” he stated.

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A photograph of the SUV of Karen Learn, parked within the Sally Port of the Canton Police Division, is projected throughout its introduction of the homicide of items which might be lacking from the precise, rear rear mild, in Norfolk Superior Courtroom, Monday 12 Could 2025, in Dedham, Mass. (Pat Greenhouse/The Boston Globe Through AP, Pool)

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“There was additionally some break in the back of the meeting. So once more we noticed injury that was usually according to that of the topic of rear mild.”

Wolfe stated he gave an opinion that the SUV of the injury was usually according to somebody who threw that ingesting glass with a minimum of 37 mph.

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A picture proven in court docket exhibits the “cannon” check of ArcCA by which consultants photographs a rod glass in a Lexus -Licht to see how the injury would occur.

In one other ArcCA check, the reconstruction wished to see whether or not an affect between the rear mild and the again of the top of O’Keefe may have prompted his cranium fracture.

Wolfe stated he examined at 15 km / h. Injury to the Taandlicht check was significantly greater than the rear mild of Learn at that velocity – nevertheless it didn’t generate enough energy to trigger a cranium fracture.

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Retired lieutenant Paul Gallagher, from the Canton police, exhibits a damaged cocktail glass that has been restored close to the stays of John O’Keefe in the course of the Karen Learn course of, Monday 5 Could 2025, in Dedham, Mass. (Pat Greenhouse/The Boston Globe Through AP, Pool)

Officers of Justice accused Learn, 45, of touching O’Keefe along with her Lexus SUV from 2021 and to drive away whereas he died on the ground with a cranium break throughout a snowstorm.

The protection denies that she has crushed him and known as witnesses who’ve attributed his accidents to different causes, together with a canine chew and a probably fist struggle with a learn man was flirting with behind his again.

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Karen Las and John O’Keefe collectively on an undated photograph. (Courtesy of Karen Learn)

Particular public prosecutor Hank Brennan tried in useless Wolfe and a colleague, Dr. Andrew Renstchler, to have blocked for witnesses earlier than the beginning of the method.

Wolfe testified in the course of the first check, which ended with a stalled jury, which injury to the SUV of Learn just isn’t according to a collision involving O’Keefe.

Karen Learn attends her homicide course of in Norfolk Superior Courtroom in Dedham, Massachusetts, Tuesday 3 June 2025. (Libby O’Neill/The Boston Herald through AP, Pool)

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Learn informed reporters exterior the court docket on Wednesday that her protection may relaxation as quickly as subsequent Tuesday. There was no court docket on Thursday.

She may face life in jail if she is convicted. Her first course of, by which the protection claimed that she was framed, ended final yr with a sure jury.