Read the following context and answer the question.
Context: 24 , Coalition forces in Mosul targeted a man believed to oversee financial operations for AQI in Ninawa province . They detained one suspect , and seven additional suspects were detained in another operation targeting an AQI senior leader . Tips from local residents helped Coalition forces envelop a village southwest of Mosul that is reportedly a hideout for AQI facilitators and smugglers coming in from Syria . Fifteen suspects were detained .
Question: Why were Coalition forces targeting the man ?
Answer:


They suspected him of being AQI .