Fairfield, California. (Redirected from Fairfield, CA) Fairfield is a city in, and the county seat of, Solano County, California, United States.
Law[edit] In the law, testimony is a form of evidence that is obtained from a witness who makes a solemn statement or declaration of fact. Testimony may be oral or written, and it is usually made by oath or affirmation under penalty of perjury.
A person who testifies at a trial because she has special knowledge in a particular field. This entitles her to testify about her opinion on the meaning of facts. Non-expert witnesses are only permitted to testify about facts they observed and not their opinions about these facts.