Karen Read has filed a lawsuit against the Massachusetts State Police and the town of Canton, alleging misconduct, negligence and failures in oversight during the investigation that led to her prosecution in the death of her Boston police officer boyfriend

Karen Read has filed a lawsuit against Massachusetts State Police and the Canton Police Department nearly a year after she was acquitted of killing her boyfriend.

A look at the timeline of events in Karen Read's high-profile Massachusetts murder trial and retrial. Read was acquitted of killing her boyfriend, Boston police officer John…