Antonyms for the phrase "catches in act" could include terms such as "ignores," "misses," or "overlooks." These words suggest a lack of detection or recognition rather than the successful discovery of wrongdoing. Other possible antonyms might include "disregards," "neglects," or "avoids," indicating a conscious decision to look away from suspicious or illegal behavior. Essentially, any term that implies a failure to notice or expose misconduct can be seen as an antonym for "catches in act." However, it's important to note that these alternative phrases don't necessarily reflect any sort of approval or endorsement of unethical behavior; they simply describe a lack of attentiveness or diligence in identifying it.