Kansas Statutes Chapter 60. Procedure, Civil § 60-423. Privilege of accused

(a) Every person has in any criminal action in which he or she is an accused a privilege not to be called as a witness and not to testify.

(b) An accused in a criminal action has a privilege to prevent his or her spouse from testifying in such action with respect to any confidential communication had or made between them while they were husband and wife, excepting only (1) in an action in which the accused is charged with (i) a crime involving the marriage relation, or (ii) a crime against the person or property of the other spouse or the child of either spouse, or (iii) a desertion of the other spouse or a child of either spouse, or (2) as to the communication, in an action in which the accused offers evidence of a communication between himself or herself and his or her spouse.

(c) An accused in a criminal action has no privilege to refuse, when ordered by the judge, to present his or her person for identification or do any act in the presence of the judge or the trier of the facts, except to refuse to be a witness against himself or herself.