Joint return where residence is KS but one spouse earned income in MS

I live in Kansas but am employed in Missouri. As a result, I pay state tax in both states. My wife is unemployed but has taxable income through her investments. We file a joint return. Does Missouri have any claim on my wife’s investment income? For example, my wife purchased a Kansas municipal bond to avoid paying both federal and state taxes. However, TurboTax does not offer an obvious way to exclude non-qualified income from the Missouri tax return.

  • Is this an error in TurboTax?
  • Or is there a way to do this on the Missouri return?
  • Or based on the state rules does Missouri have a legitimate claim to this money on a joint return?