A city official says the mayor of an upscale Dallas suburb who investigators believe shot dead her teenage daughter before killing herself had been facing a spending review.

City Manager Clay Phillips has told the Dallas Morning News that he asked the city attorney to investigate Coppell Mayor Jayne Peters’ city-issued credit card use. The Friday report says Phillips did not provide details of the questionable charges since October.

Foreclosure Listing Service records show Peters’ home was foreclosed on last July.

Police discovered the bodies of Peters and her 19-year-old daughter Corinne at their home Tuesday night. A memorial service was scheduled for Friday.

The mayor’s husband died in 2008.

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