Zach wanted to make sure that it never came to that point.
Based on the urgency of the task, all his focus had shifted towards saving Luke. He was planning to get Luke released before a punishment could be announced by leveraging on the fact that Marico had been completely innocent while the police had been paid off by the Hunter family to harm him. Because those police officers were far from innocent like they were being hailed to be by the police department and the higher ups, acting in such a violent manner as Luke did was sufficiently justified to shield the ordinary citizens from the horrors of injustice and the corruption of the custodians of the law.