https://www.huffingtonpost.com/entry/school-shootings-2018_us_5a84a68ee4b0058d55659ae9
ref - https://twitter.com/HuffPostParents/status/964218789800882176
origin - https://www.pipiscrew.com/2018/02/were-averaging-one-school-shooting-incident-every-63-hours-in-2018/ were-averaging-one-school-shooting-incident-every-63-hours-in-2018