The Importance of Insight

Travis: "I feel like here's where I'm coming from. It's our job to bust all the imps, right? We were hired to treat the symptom" He says Argo has 'horrible insight, terrible wisdom and not very good' Travis asks if he can roll an insight check to see if his friend is lying about what they've been told. The soldier responds that it wouldn't occur to him to double-check.