Prosecutors spent most of the first day of Brian Walshe’s murder trial playing tapes of his lies, but on Tuesday, they let a series of gruesome computer searches speak for themselves.

In the days and hours after Walshe has admitted his wife Ana died, his computer history shows searches for, “how to saw a body,” “hacksaw the best tool for dismembering a body,” and “ways to dispose of body parts after murder,” according to Massachusetts State Police Trooper Nicholas Guarino.

Guarino took the stand for the Commonwealth Tuesday morning at Norfolk Superior Court, as prosecutors tried to prove Walshe murdered Ana in January of 2023. Walshe pleaded guilty last month to lying to police and mishandling a body but maintains he wasn’t involved in his wife’s death.

Instead, his defense team is argu

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