Alternatively, you could continue in his POV right up until the moment of death, at which point the chapter finishes.
The next chapter could return to that death retrospectively from the POV of another character involved or, better perhaps, another character less involved or not previously involved at all (for instance an official who becomes involved because of the death). Something along the lines (but not so crass, obviously) of:
When I was instructed to investigate the circumstances of the death of X, I was at first under a misapprehension... |
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The fact that the new POV person has become foremost because of the death makes the change of POV more logical and acceptable. This approach also provides the ability to revisit (and possibly more reliably reinterpret) events prior to the death without descending into artificial or authorial commentary. Gabriel Garcia Marquez's Chronicle of a Death Foretold is quite interesting in this respect (although not as regards the specific POV issue you have raised).
Chris