To shoot from the hip means to act rashly and recklessly without consideration, but in this context lemus was acting cautiously and deliberately.
Context: "I expected lemus to act cautiously and deliberately after thinking about potential consequences, but he was firing aimlessly without holsters now."
Hypothesis: I expected lemus to shoot from the hip, but he was firing aimlessly without holsters now.
Based on the context, is the hypothesis true, false, or unknown?