Waco Justice
An 'accidental fire' set by authorities (resulting in the death of the accused) to derail an independent investigation which would portray said authorities in a negative light. e.g. "Chris Dorner Dead:Police Heard Saying ‘Burn It Down’ Just Before Cabin Catches On Fire" - NJ(dot)com (actual headline)
Dorner's demise was a clear case of Waco Justice.