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Sienna Johnson, second teen in Mountain Vista shooting plot, pleads...
www.thedenverchannel.com
Sienna Johnson, one of two teens accused in a deadly plot to kill fellow students and staffers at Mountain Vista High School in December 2015, will serve time...
Sienna Johnson: 5 Fast Facts You Need to Know | Heavy.com
heavy.com
Sienna Johnson is one of the Mountain Vista High School students who is suspected of plotting to shoot and kill people at her Colorado school in December.
Judge Closes Reverse Transfer Hearing To Media For Teen Girl Accused...
denver.cbslocal.com
A court hearing happened Friday morning for one of two 16-year-old girls accused of plotting an attack on Mountain Vista High School in Highlands Ranch.
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