In point of fact, different schools of psychology and different psychologists have different opinions on this. For some, psychopathy and sociopathy are interchangeable, official technical term being antisocial personality disorder. For others, there are significant differences between psychopathy and sociopathy. This video belongs to the latter psychological school of thought.
https://www.google.com.sg/search?q=psychopath+vs+sociopath
https://www.google.com.sg/search?q=psychopath+vs+sociopath