Diez-Cuatro or 10-4 is written in such a way to aid persons that encounter Spanish speakers daily while performing their jobs. Although it is aimed toward law enforcement in many of the phrases and scenarios, it can be used by other emergency personnel as well. For instance, one scenario goes from a traffic stop to arrest and then to booking the arrestee into corrections.
Another scenario refers to and accident, where medical questions come into the scene which aid not only the law enforcement but medical and other first responders as well. Then onto the emergency room to make sure the...