And the family went along with this...
$
The Breitbart man who worked the case for the ME died/was suicided
The family likely chose it. Note that an autopsy has been conducted, but report hasn't been released yet (as per a related CNN article). The city officials are likely choosing hold it so that the impeachment trial will conclude before it is released. The family (also per the CNN report) has said there were "medical issues", too. My view is that the autopsy report will vindicate protesters, which is why the officials are not releasing it. An FOIA lawsuit will will take weeks, and even the family would be required to file one, if the city refused to release the report.