Posted: December 13, 2021 at 2:39 am TWG Source Authorities: Teens charged in trespassing case were in \’planning stage of school shooting\’ UPDATE: Authorities have provided new details about the investigation into the Westmont Hilltop High School trespassing incident, which they are now calling an alleged school shooting plot. Investigators say as a result of subsequent search warrants, a total of five AR-15 style firearms, a rifle, a shotgun and additional ammunition were seized from the home of 16-year-old Preston Hinebaugh. Via Leave a Reply Cancel replyYou must be logged in to post a comment.