Sunday morning, the St. Louis community was struck with grief and anger as Officer David Lee, an 18-year veteran of the St. Louis Police Department, was killed in the line of duty after stopping to assist a motorist on Interstate 70. The tragic incident, which occurred around 8:30 AM, is now being spotlighted not only for the loss of a dedicated officer but also for the deepening crisis surrounding illegal immigration and soft-on-crime policies championed by the left. Officer Lee was tending to traffic safety, rummaging through his vehicle’s trunk for cones to protect motorists, when a speeding SUV driven...