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Texas mother fatally shot husband, 3 sons

CORSICANA, Texas — A mother fatally shot her husband and three sons in their North Texas home before killing herself with a single shot to the head, the county sheriff announced Tuesday.

Investigators were still trying to determine why 33-year-old Guadalupe Ronquillo-Ovalle killed her family late Thursday or early Friday in Rice, 40 miles southeast of Dallas.

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Navarro County’s sheriff, Elmer Tanner, said the bodies of Ronquillo-Ovalle; her husband, Israel Alvarez, 33; and their sons, ages 4, 8, and 10, were discovered Sunday by Alvarez’s father.

Alvarez and his sons had all been shot in the upper torso. Tanner said there was no indication that Alvarez fired any shots.

The killings came less than two weeks after Israel Alvarez was charged with family violence.

Tanner said investigators could not determine much from his Sept. 11 arrest for a misdemeanor family violence charge, ‘‘other than that was an isolated incident involving family violence.’’

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