article_snippet: Souvannarath, 23, from Geneva, Illinois was arrested alongside Randall Steven Shepherd, 20, from Halifax, Nova Scotia, and charged with conspiracy to commit murder.
article_snippet: Souvannarath was charged last month with conspiracy to commit murder.
article_snippet: Souvannarath admitted the massacre plot after his arrest on February 13.
article_snippet: Two days after the post, Souvannarath was arrested and charged with conspiracy to commit murder after police received a tip.