BYRON (CBS SF) — A 37-year-old Danville woman who was found dead last week near the unincorporated Contra Costa County community of Byron died of a gunshot wound, county sheriff’s officials said Monday.

Deputies responded at about 10:05 a.m. Friday to a medical call in the 24000 block of Marsh Creek Road and found Emily Courchesne dead inside a home, according to the sheriff’s office.

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Investigators believe Courchesne was killed sometime between Wednesday evening and early Thursday morning, but no suspect has been identified and no motive has been established, sheriff’s officials said.

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Anyone with information about the case is asked to call the sheriff’s Investigation Division at (925) 313-2600 or an anonymous tip line at (925) 313-1166 or (866) 846-3592. Tips can also be sent by email to

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