US school shooting suspect previously investigated by police - as victims namedA US school shooting suspect had been previously investigated by police over threats to carry out a similar attack last year.
Source: US school shooting suspect previously investigated by police - as victims named (https://news.sky.com/story/us-school-shooting-suspect-was-previously-investigated-by-police-over-threats-of-similar-attack-as-victims-named-13209858)