(ABC NEWS) The family of a kidnapped Louisiana mother tracked down and killed the father of her child in the abandoned house where he was allegedly holding her prisoner, authorities said.

Bethany Arceneaux, 29, of Duson, La., was abducted in the parking lot of a daycare where she was picking up her 2-year-old at approximately 5 p.m. on Wednesday, Lafayette Parish Sheriff’s Department Captain Kip Judice told ABCNews.com.

Witnesses saw the suspect, Scott Thomas, allegedly force Arceneaux into his white Buick LeSabre, before driving off, Lafayette Police Department spokesman Paul Mouton told ABCNews.com.

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