Vigilance on the part of all citizens is one of the best ways of preventing and detecting crime, including terrorist crime. By their nature, acts of terrorism happen quickly, often with very little warning before hand. But, by being alert and aware of your surroundings, you can react quickly to any situation that may arise. The following are things experts recommend that you can do to not only help prevent terrorist attacks, but to help you be better prepared in the event an attack does occur.