She didn't testify at the guilt phase of the trial. her testimony was only at the sentencing phase. A lot more is relevant at that stage than at the guilt phase; that's why Lakin was allowed to testify about Obama's eligibility at the sentencing phase.
What does reporting to Kentucky have to do with Mrs. Dobson? If the charges have nothing to do with deployment, then Dobson is irrelevant to either the guilt or what punishment should be given. What relevance does Dobson have to Lakin’s “crime”, if deployment was never at issue?