Several of Taichung's big cases, such as the Keng-tu Yuan teashop murder and the Manniu energy drink poisoning have involved people from outside of Taichung coming into the city to commit crimes, but the bad impression created remains attached to Taichung.
台中幾件大案子如耕讀園槍殺案、蠻牛下毒案，都是中南部外地人來台中犯案，但壞印象卻留在台中。