Who Is Killer!

When Emy was studying in her room. A man comes and hit her mom and kill her father. when she hears her mom she comes down, the man hits her and kidnapped her. Mr. Rome who is greatest and genius police of that time took this case and start investing. who's that killer? why he killed her father but not her and her mom? NOTE: 1 Chapter/ week ( sunday or monday) keep reading guyz, and Don't forget to share