The letter, addressed to Boston Police Commissioner Michael Cox and obtained exclusively by 25 Investigates, alleges Officer Kelly Dever’s credibility is “irreparably compromised”.

Karen Read defense attorney Alan Jackson and former Canton Police Officer Kelly Dever had a combative back-and-forth Monday.

Officer Kelly Dever tells Karen Read lawyer she doesn't know why she's on stand Boston Police Officer Kelly Dever worked at the Canton Police Department the morning Karen Read and two other women ...

Defense witness says "I don't know why I'm here" Earlier, Jackson called Kelly Dever a former Canton police officer who now works with the Boston Police Department.

Kelly Dever, a current Boston police officer, was called to the stand by Read’s defense team on June 2. She was working dispatch for the Canton Police Department when John O’Keefe was found dead.

A police officer testifying in Karen Read's retrial admitted she changed her story, but also accused the defense of pressuring her to lie.