Sister of Charleston shooter arrested at school after Snapchat post 'caused alarm'

The younger sister of Dylann Roof, who was sentenced to die for murdering nine black churchgoers in Charleston, South Carolina, was arrested Wednesday at her school for allegedly bringing weapons to campus and posting to Snapchat a message police said "caused alarm."

Morgan Roof, 18, was arrested at A.C. Flora High School in Columbia, South Carolina, after school officials told police that she had a knife, pepper spray and marijuana in her possession, the Richland County Sheriff's Department said in a statement.

https://www.yahoo.com/gma/sister-charleston-shooter-arrested-school-snapchat-post-caused-091003665--abc-news-topstories.html