The U.S. Court of Appeals for the First Circuit has denied Read's federal appeal, meaning her retrial can move ahead as scheduled.

Karen Read’s federal appeal was denied and her state retrial can proceed with all three charges, including murder, intact.

Read is accused of killing her boyfriend, a Boston cop, in 2022. She maintains she was framed by police. Here's a refresher on the case — and a look at what's happened since last year's mistrial.