On the same day his wife was last seen alive, Brian Walshe went to multiple Massachusetts pharmacies and hardware stores to buy heavy-duty cleaning supplies, a Tyvek protective suit and a utility knife, according to prosecutors.

He made the trips after early-morning internet searches including, “How long before a body starts to smell?” and “Dismemberment and best ways to dispose of a body.” Over the next several days, he continued searching for how to dismember a body with a hacksaw, not reporting her missing until Jan. 4, when her employer began looking for her and contacted police.

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Closing arguments are expected Friday in Walshe's trial on a charge of first-degree murder. He previously pleaded guilty to mislead

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