Laws concerning the deaf and hearing impaired vary from state to state, so it is important to know your state and local laws.
The Americans With Disabilities Act of 1990, or the ADA Law, is a federal law that covers the rights of deaf and hearing impaired persons. One key element of ADA law is that public organizations must provide equal access for persons with disabilities [ADA 1990 Subpart B Section 35.130 Paragraph (b) (l) (i)].
In general, deaf and hard of hearing persons have the same rights to drive motor vehicles, make telephone calls while in custody and have privileged communications with their family or an attorney. They also have the right to have an interpreter present or have access to a telecommunications device for the deaf, commonly known as a "TTY," while in custody.
Remember; When issuing the Miranda advisal, you must use a certified interpreter.
There is a difference between someone who knows sign language and a certified interpreter. A certified interpreter should have formal training or other certification. Many court cases involving deaf persons charged with criminal offenses were reversed when it was shown that they did not, or could not, understand the Miranda advisal. Therefore, officers should: