Deputies said while inside, Deal started a fire in the kitchen, causing thousands of dollars in damage. The homeowners managed to escape the burning home through a window.
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According to officials, they could see smoke coming from one of the windows when they arrived at the scene.
WSOC-TV learned that a magistrate in Catawba County issued an involuntary commitment order against the suspect Saturday.
Deal has been charged with two counts of attempted first-degree murder, first-degree burglary, first-degree arson and two counts of first-degree kidnapping.
No additional information has been released.