Interior, headliner, dashboard removed and burned by owner.

He scrubbed and steamed the interior of the car:

#1. Gallons of hydrogen peroxide.
#2. Hot (Tide) soapy water.
#3. Mr. CleanŽ Antibacterial All Purpose Cleaner, Summer Citrus.
#4. Hot Vinegar water.
#5. Simple Green.
#6. Hot (Palmolive) soapy water.
#7. Hot Vinegar water.
#8. Hydrogen peroxide fogger for 12 hours.
#9. Steam cleaned every possible inch of the car twice.

The odor seems to be gone.

He has a complete replacement interior (been in storage more than ten years) to install asap.

On a side note, he stopped drinking, and sold all fishing gear.