Thanks tomsdad.
Also to malone and xwordfan.
Escape for 6a works.
Then 8d must be Calx. Calx is some kind of Lime. But does Cax mean made cloudy?
Subsea : How to parse it?
That gives me 1d as Sasha. Is that correct? How do you parse it?
OK, I can see the first 5 letters of the "bug" to be inserted in the last row. What CIA does for a living.
When I look at Row 1, I see what happens in the grid. That is clever.
Thank you all.