https://www.google.com/amp/s/www.psychologytoday.com/blog/your-online-secrets/201409/internet-trolls-are-narcissists-psychopaths-and-sadists%3famp
Not usually a fan of psych today but there is a direct link to a paper is inside the article. For reference, the dark tetrad is:
Sadism
Machiavellianism
Narcissism
Psychopathy
Not usually a fan of psych today but there is a direct link to a paper is inside the article. For reference, the dark tetrad is:
Sadism
Machiavellianism
Narcissism
Psychopathy