What's the noun for sociopathically? Here's the word you're looking for.
sociopath
A person with an antisocial personality disorder, exhibiting antisocial behavior that usually is the result of social and environmental factors in the person's early life.
“Isn't consistently showing a lack of remorse or regret symptomatic of psychopathy or sociopathy?”
“This was closer to sociopathy and narcissism than to an impulsive psychotic response to perceived injustices.”
“Modern scholarship has shown Lucrezia to be a rather unfortunate young woman who was the victim of her mad brother's sociopathy and her father's ruthless ambition.”