Do not take this the wrong way Kasim but you saying the culprit(s) are most likely kids isn't enough of an argument for a death threat to be ignored.
My ignorance? Unless you work for a law enforcement agency or an intelligence service that is here to monitor the exact, alleged issue that has arisen then you can keep your assumptions to yourself and let the relevant, adult authorities to investigate.

My original comment was not designed to scorn Morgan, only to point out the matter needs to addressed properly as death and physical violence threats have occurred. If it was just vulgar or racist remarks then I would 100% agree with the use block function and move on.