A call to an anonymous tip line set off a chain of events that helped thwart a potential Valentine’s Day mass shooting in Indiana, authorities say.

Police in Mooresville, Indiana, later arrested 18-year-old Trinity Shockley. They say Shockley confessed to plotting to murder their best friend and to conduct a school shooting on Valentine's Day.

Investigators in Wisconsin may have helped prevent a school shooting in Mooresville this week. FOX59/CBS4 has learned new ...

After allegations surfaced against a Mooresville High School student arrested for planning a school shooting, WRTV spoke with Nicole Hockley, co-founder of Sandy Hook Promise.

US teen arrested for plotting mass shooting in school on Valentine's Day. | One of India's leading Digital News Agency ...

A collaborative effort between law enforcement agencies has thwarted a planned school shooting set for Valentine’s Day, ...

MOORESVILLE, Ind. (WXIX) - An Indiana student is behind bars after she allegedly planned to kill masses of students at her high school on Valentine’s Day. The Mooresville High School student, ...

Teen arrested following chilling plot, linked to mass shooting obsession A recent case emerged when the FBI's Sandy Hook Promise Say Something Anonymous Reporting System alerted local authorities ...

An 18-year-old student from Mooresville, Indiana, Trinity Shockley, has been arrested for allegedly plotting a mass shooting ...

An 18-year-old student from Mooresville High School was arrested for allegedly planning a school shooting set for Valentine's ...

A teen has been arrested, accused of planning a mass shooting at a high school in Indiana, according to court documents.