Daily Mail:
“The shooter said he was motivated to carry out the attack by the death of Swedish schoolgirl Ebba Akerlund, a girl who was killed in a terrorist attack in Stockholm in April 2017.
Tarrant said he was a supporter of Donald Trump as a ‘symbol of renewed white identity and common purpose’. “
Toward the end of the article but it’s there.
That’s not even a remotely justifiable reason. It’s one person 2 years ago.