Police usually handle all kinds of cases every single day. There are cases involving foreigners, blind people and deaf people. You will also find cases involving children as well as the elderly. Police departments often need the services of interpreters. There are different types of interpreters and translators who can help police to interview suspects and witnesses. In the case of deaf suspects or witnesses, sign language interpreter for police will be needed.
Only certified interpreters with a lot of hands-on experience in the interpretation and translation industry should get preferential treatment. Therefore, you need to compare the experiences of the shortlisted interpreters to find the best service provider for the job at hand. Obviously, the rates they charge for the service, reputation in the industry and guarantees they offer must be considered. This is because you want to get the best possible value for your money.