A teen testifies that they were exposed to extremist material on TikTok before planning a mass-casualty terrorist attack. The reporting links the alleged plan to targets connected to an Opera House and a marathon, describing it as similar in concept to the 2013 Boston bombing.

Both outlets describe the case as being heard in court, with the teen’s evidence focusing on how online content influenced their thinking. One outlet frames the intent and target selection in relation to public events, while also noting the alleged timeline connecting social media exposure to later planning. Neither report provides details on any completed attack or mass casualty incident, and both rely on testimony rather than confirmation of any execution of the alleged plot.

Across the two sources, the core points are consistent: the teen’s testimony involves TikTok extremist content, and the planned attack is described as targeting crowds at high-profile events, with comparisons to the 2013 Boston attack appearing in the context of the alleged intent.