MENOMONEE FALLS, Wis. (WTAQ) - Authorities have still not said what started a fire 2 days after Christmas that destroyed a mansion owned by a child care provider who’s under investigation. The Journal Sentinel said evidence from Latasha Jackson’s house in Menomonee Falls was taken to the State Crime Lab, and officials are waiting for the results. State Justice spokesman Bill Cosh would only say it’s an “ongoing investigation.” The blaze destroyed Jackson’s house and 2 cars while she was out of the state on vacation. The house was valued at $1.1 million. Authorities said Jackson received over $3 million from the Wisconsin Shares’ child care program over the course of a decade – and she allegedly scammed the system while government regulators looked the other way. An anti-fraud task force is investigating her activities.