yes
Most of the serial killers that had a successful career killing, were functional psychopaths meaning that they could go with daily life like anyone else and some of them had family like normal persons.
Individuals who engage in mission-oriented serial killing often exhibit characteristics of antisocial personality disorder, characterized by a disregard for the rights of others, lack of empathy, and a pattern of behavior that violates societal norms. Additionally, they may display traits of psychopathy, such as manipulation and deceitfulness, which can contribute to their ability to plan and carry out their crimes in a methodical manner.
post traumatic Stress disorder
The physiological effects of no exercise and being over weight obese
Yes it physiological disorder that starts to slowly eat away your heart and soul
A serial killer loved killing little boys!
No they don't.
killing him first.
The serial killer enjoyed killing elderly men.
YES!!!!
The official word on Shipman, by the psychiatrists who examined him before his trial, labeled him as a narcissist. But that's not a mental disorder it's a personality disorder, which is completely different.