Prosecutors drop case against Mass. man who had murder conviction overturned by DNA evidence

Prosecutors drop case against Mass. man who had murder conviction overturned by DNA evidence

The Suffolk County District Attorney’s Office is dropping its case against a man who was imprisoned for more than 30 years before DNA evidence freed him in 2020.Thomas Rosa, a Chelsea resident, was convicted of murder in 1993. A judge overturned that conviction in 2020 when new DNA technology contradicted the forensic evidence used in Rosa’s trial.