CHICAGO (CBS) — Prosecutors in Door County, Wis., say they’re preparing homicide charges against a Plainfield man after a pregnant woman was murdered over the weekend.

Investigators say Brian Cooper strangled Alisha Bromfield, also of Plainfield.

Both were in Door County for a wedding.

The district attorney’s office says Cooper will also be charged with sexual assault, and with killing Bromfield’s unborn child.

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