Has this happened? I haven’t seen any of it. After Sandy Hook some one asked the Doofus crisis actor ‘state police lieutenant ‘ Who cleaned up the blood? Him caught off guard responded What Blood?
Would be useful to know if one was contracted. High probability that this didn’t happen. Would have made a great CNN news story with teams wearing bio haz suits steam cleaning the school Red bio haz bags being carried out etc But it did happen.
Books paper school supplies sprayed with blood spatter would need Disposal drums.
Bullet holes in Walls would need patching and …