So, I'm stuck in DNA row after escaping from being tied up. I've done everything I should. I've obtained all the clues, spoken to everyone (JF Sebastian, Hotel owner, Leon, etc) but can't get back to my spinner. When I run to the bottom of the entry screen, there's no blue arrow allowing me to exit the level. I've read guides and watched videos on Youtube so I know I've not missed anything.

* In the attached image, the cursor should be blue to give me the option to get to my spinner

Hello, can you share a save game for this state so that I can further look into it?
You can upload the save game on a Cloud Drive (eg Google Drive) and share the link here.

Thanks, here's the link:

https://1drv.ms/u/s!AraiDnjPNVA3z1DUSmzZ6G8KwVgw?e=t8kpWh

Hm, it seems that this is due to some bug, although I cannot tell what caused it for you.

The game kept your location as McCoy being at Runciter's and your spinner being there too.
This is something that happens when McCoy flies to Runciter's or when the game is started anew (because McCoy starts there).

Can you recall doing anything that could have triggered this bug? Did you use the ScummVM debugger or did anything that in retrospect was out of the ordinary?

In any case I've uploaded here a fixed version for your save game (I only fixed the game's faulty assumption about McCoy's own and spinner's location)

https://drive.google.com/file/d/1NTMbMrmUF3ShUMF17dLgvMrsI4n86izz/view?usp=sharing

That's fixed it, thanks. Thought I was going mad for a while.

I can't think of anything I did that could have triggered it. I certainly didn't mess about with the ScummVM debugger.