Brian Walshe on surveillance camera at Lowe's in Danvers Jan. 1. 2023 with a shopping list buying $463.26 in goods. The murder trial of Brian Walshe of Cohasset at Norfolk Superior Court, Dedham. He is accused of killing his wife Ana Walshe in 2023. Monday December 8, 2025 Greg Derr/Pool

DEDHAM — Shortly after the jury returned for the second week of Brian Walshe’s murder trial , his lawyer Monday began floating ways an apparently healthy young person can suddenly die: Heart issues. Lung issues. Even, perhaps, adventurous sexual activity.

“Sure,” said Dr. Richard Atkinson, who investigated Ana Walshe’s 2023 death for the office of the chief medical examiner, the state agency that conducts autopsies in Massachusetts.

In this case, these questions remain hypothetical. Medical examin

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