Tom'un Mary'nin bir seri katil olduğuna dair hiçbir fikri yoktu. - Tom had no idea that Mary was a serial killer.
Seri katil arzularının bir kölesiydi. - The serial killer was a slave to his desires.
الإنجليزية - الإنجليزية
تعريف serial killer في الإنجليزية الإنجليزية القاموس.
A person who commits multiple (more than two) murders, especially similar ones with no obvious motive over a period of time with a "cooling-off" period between each murder