perpetrator
//ˈpɜːpɪˌtreɪtə//
Noun
perpetratorSingular
perpetratorsPlural
1
A person who commits a crime, harmful act, or illegal action.
The police are still searching for the perpetrator of the crime.
2
Someone responsible for carrying out or executing a wrongful deed.
The police are still searching for the perpetrator of the crime.