Things to Know About the Retrial of Karen Read in the Killing of Her Police Officer Boyfriend

Karen Read listens to the testimony of Cellebrite digital intelligence expert Ian Wiffin, during her murder retrial, in Norfolk Superior Court, in front of Judge Beverly J. Cannone, in Dedham, Mass., on April 28, 2025. Pat Greenhouse/The Boston Globe via AP, Pool

Prosecutors in Karen Read’s second murder case focused Monday on another witness who told the court they heard Read repeatedly utter the words “I hit him” after finding her Boston police officer boyfriend dead in the snow.

Firefighter Katie McLaughlin is the third person to testify this trial that Read repeatedly said “I hit him” that morning.