If he's medically unable to travel for questioning, he cannot travel for his trial, either.

The trial which by law has to begin two weeks later, at the latest.

Really, we've had that dozens of times on HN now.

https://storify.com/anyapalmer/why-doesn-t-sweden-interview-...

http://www.newstatesman.com/blogs/media/2012/09/legal-mythol...

http://www.newstatesman.com/david-allen-green/2012/08/legal-...