BRANSON, Mo. (AP) — A Missouri high school student faces a felony charge after authorities say he posted on social media that he was going to buy an assault rifle and "make history."

William James Nelson, an 18-year-old from Branson, was charged Thursday with making a terroristic threat, the Springfield News-Leader reported. No attorney was listed for him in online court records.

Branson police were tipped off before midnight Tuesday about a series of SnapChat messages that a female classmate received. Officer Joseph Edwards wrote in charging documents that Nelson admitted during an interview...