Northern Echo | 20th June 2021
The court heard that Hall had previously been sectioned and admitted himself to a mental health unit, but since his last hospital stay in 2002 had controlled his schizophrenia with a combination of antidepressants and anti-psychotic drugs.
However, in the lead up to the incidents he had stopped taking his tablets and began smoking cannabis.
https://www.thenorthernecho.co.uk/news/19384802.man-jailed-psychotic-rampage-county-durham-street/
Attacker Smoked Cannabis: suicide and psychotic violence in the UK and Ireland 