parents and school officials vague and broad warnings going viral on social media overnight. schools from minnesota to texas cancelling classes or ramping up security in response to the warning that originated on tiktok. the department of homeland security says there is no evidence the threats are credible but asking the public to remain on alert. let's discuss with the former official at homeland security and ken, a mental health expert who is the author of "the real rules of life." good evening to both of you. juliette, i'll start with you. here is the thing. whether or not this threat was a hoax, the everyday threat of school violence is very, very real and so is the fear behind all of this, is that correct? >> it's not irrational in the