US authorities say the person they believe carried out a school shooting in the state of Wisconsin was a 15-year-old female pupil.Wisconsin Police confirmed her identity as 15-year-old student Natalie Rupnow, who went by the name Samantha.The latest US school gun attack to rock the US also left a teacher and another teenager dead, as well as the 15-year-old.She was a pupil at Abundant Life Christian School in Madison, where the latest gun attack took place.

US authorities say the person they believe carried out a school shooting in the state of Wisconsin was a 15-year-old female pupil.Wisconsin Police confirmed her identity as 15-year-old student Natalie Rupnow, who went by the name Samantha.The latest US school gun attack to rock the US also left a teacher and another teenager dead, as well as the 15-year-old.She was a pupil at Abundant Life Christian School in Madison, where the latest gun attack took place.