What is another word for PERP?
Pronunciation: [pˈɜːp] (IPA) 
Perp is a colloquial term used to refer to a suspect in a crime. However, not all people are comfortable with using slang or casual language in serious situations like criminal investigations. For this reason, there are plenty of synonyms for the word perp. Some of the most common are suspect, perpetrator, criminal, offender, and culprit. Other alternatives include wrongdoer, delinquent, lawbreaker, malefactor, and convict. Using these synonyms can help lend a more formal tone to communications related to law enforcement and justice. No matter what word you choose, the important thing is to treat all suspects with fairness and impartiality.
