As used in K.S.A. 60-460, its exceptions and in this section:
But a witness is not unavailable (1) if the judge finds that his or her exemption, disqualification, inability or absence is due to procurement or wrongdoing of the proponent of his or her statement for the purpose of preventing the witness from attending or testifying, or to the culpable neglect of such party, or (2) if unavailability is claimed under clause (4) of the preceding paragraph and the judge finds that the deposition of the declarant could have been taken by the exercise of reasonable diligence and without undue hardship, and that the probable importance of the testimony is such as to justify the expense of taking such deposition.
K.S.A. 60-459