Cop Boyfriend Murder Trial | MA v. Karen Read | Day 5 | Trial Catchup

This is the Day 5 of 31 trial report of the murder trial of Karen Read, accused of running over her cop boyfriend John O’Keefe and leaving him to die in the snow, designed to catch you up with the nucleus of the case efficiently!

Case Report

Factual background:

Karen Read was tried in Massachusetts over the death of her boyfriend, Boston Police Officer John O’Keefe, who was found outside 34 Fairview Road in Canton on January 29, 2022, after a night of drinking with friends and acquaintances. Prosecutors alleged that Read struck O’Keefe with her Lexus SUV while reversing outside the home and left him in the snow. The defence argued that O’Keefe was not killed by Read’s vehicle and that the investigation failed to properly examine alternative explanations involving people connected to the home.

CHARGES:
1. 2nd Degree Murder. – Not Guilty
2. Manslaughter while operating a Motor Vehicle under the influence of Liquor. – Not Guilty
3. Leaving the Scene of an accident resulting in death. – Not Guilty
4. OUI – Operating Under The Influence – Guilty
Decided on 18 – June – 2024.

Victim(s): John O’Keefe (Deceased)
Date Of Murder: 29th January 2022.
Killing Incident Reported: 29th January 2022.

Courthouse: Norfolk County, Dedham, Massachusetts

Officers of the court

Judge:

Hon. Beverley Cannone

Attorneys


Prosecution:
ADA Adam Lally
Special Prosecutor – Hank Brennan
Defence:
David Yannetti
Elizabeth Little
Alan Jackson
Robert Alessi

MA v. Karen Read (2025) – Day 5 Trial Summary

The entirety of Day 5 was dedicated to the prosecution’s presentation of highly technical digital forensics. The court focused on a single expert witness who established a granular chronological timeline of the victim’s mobile device. The testimony meticulously deconstructed browser tab behaviors, internet search logs—specifically addressing a search regarding exposure to the cold—and the automated deletion patterns of database records. Additionally, the prosecution introduced critical environmental metrics from the victim’s phone, such as battery temperature plunges and sensor data, to argue the device’s physical placement on the night of the incident. The afternoon concluded with the initial phase of cross-examination, challenging the exact parameters of the device’s physical environment before the court adjourned.

Witness-by-Witness Summaries

lan Whiffin – Forensic Data Examiner

Key summaries (Click arrow for more)
Connection to the case
An ADA expert witness specializing in digital forensics who analyzed the mobile device extractions.
Summary Of Testimony

Addressing the highly anticipated search for “how long to die in cold” at 6:23:51 AM, Whiffin testified that the phrase and its corresponding URLs did not appear in the standard history database simply because the webpage failed to load. Crucially, Whiffin highlighted that the phone’s internal temperature dropped rapidly within minutes of arrival and never experienced the thermal spike expected if the device had been brought indoors; consequently, he delivered the expert opinion that the phone never left the vicinity of the flagpole.

Key evidence introduced!
  • Nothing of note.

Full report below!

Sources:

Karen Read, The Trial Channel, Youtube Channel, Playlist Available Online: https://www.youtube.com/playlist?list=PLLq-6my_qlf-EPqV2fF7hxb69r25xWyou


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