Project Summary: Discussion Thread: Understanding Intelligence Intelligence can and should be used in all matters of homeland security and emergency management. There have been episodes throughout history where the proper or improper use of intelligence created success or failure for one side or the other, be it a military action, business excursion, police matter, or other type of event. Share the details of one major event in history where the proper or improper use of intelligence made a significant difference in the outcome of the event. Be detailed. Remember the types of intelligence available now and then, along with the intelligence cycle.