The husband and wife may testify either for or against each other in criminal cases, but shall not be compelled so to do. (Acts 1915, No. 826, p. 942; Code 1923, §5639; Code 1940, T. 15, §311.)
Husband and Wife for or Against One Another
Ala. Code § 12-21-227, under Competency.
Ala. Code § 12-21-227