What does Louis do when he discovers that Rick has shot Major Strasser in Casablanca?

When Louis discovers that Rick has shot Major Strasser in "Casablanca," he initially appears shocked but quickly shifts into action. He tells Rick to get away, signaling his understanding of the situation and protecting him from potential consequences. Ultimately, Louis uses the incident as an opportunity to assert his own position, declaring, "Round up the usual suspects," and choosing to side with Rick, indicating a turning point in their relationship and a departure from his previous loyalties.