It sounds strange hearing our grandparents telling us that they hardly gave any attention to door locks at their time and used to sleep with the windows wide open without fearing about their lives. Of course, criminal actions did not start with our generation and there were definitely serious problems even at the time of our grandparents' grandparents. Though, the needs of every society depend on various factors including the local crime rates, neighborhoods, size of the city and economic situation.
Crime has a long history, but the people of Marina del Rey just want to ensure that it won't knock on their door and for this reason prevention measures are always the smart thing to do. It is always recommended by locksmiths to have new lock installation to every door and window of the house every four or five years because it can keep families better protected with new high tech products. Once, you ensure good security door locks, you just have to make sure they are used properly every night.