A Texas mother has been arrested and charged with aiding in the commission of terrorism after authorities say warning signs about her middle school son's violent intentions culminated in his grandmother discovering weapons and an explosive device in his bedroom this week.

Ashley Pardo is accused of purchasing ammunition and tactical for her son "with knowledge" of his planned attack at Jeremiah Rhodes Middle School.

Authorities have a Texas mother behind bars after an investigation revealed she helped her son plot a terror attack against his middle school by buying him ammunition and tactical gear.