I can provide some general information.
Piquerism is a paraphilic disorder characterized by sexual arousal and gratification from stabbing or piercing another person with sharp objects, such as knives or needles. This behavior is considered harmful and illegal, as it involves inflicting serious physical harm on others without their consent.
It is important to note that piquerism is not directly associated with sociopathy (also known as Antisocial Personality Disorder). Sociopathy is a complex personality disorder characterized by a pattern of disregard for the rights and feelings of others, a lack of empathy, and manipulative and exploitative behaviors.
While individuals with sociopathy might engage in violent or harmful behavior, it doesn't mean that they all necessarily have a specific paraphilic disorder like piquerism. It's essential to recognize that people with personality disorders can exhibit a wide range of behaviors, and not all individuals with a particular disorder will have the same set of symptoms or behaviors.
If you suspect that someone might be engaging in harmful behaviors related to piquerism or any other concerning actions, it is crucial to report it to the appropriate authorities and seek professional help to ensure the safety and well-being of potential victims.