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Man faces weapons charges after SWAT incident at Somerville home; woman’s remains found inside

Authorities say police were called to a home on Mastogen Drive Sunday afternoon for reports of a shooting.

Matt Trapani

Nov 17, 2025, 5:14 PM

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Authorities have made an arrest following a SWAT incident at a Somerville home over the weekend.

Thomas Shaulis is now facing weapons charges, according to officials.

Authorities say police were called to a home on Mastogen Drive Sunday afternoon for reports of a shooting.

The SWAT team and crisis negotiators were called to the home soon after the report, but were unable to contact anyone inside.

Prosecutors say that when the SWAT team entered the home, they found Shaulis armed with four handguns. They say officers also found the decomposing remains of a woman inside.

An autopsy has been ordered to help determine how the woman died, as well as her identity.

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