I disagree.
The standard response is hand wringing about what one could possibly do, a reminder of the jobs that are at stake and then carrying on as normal.
That’s what Trump did and I’m not aware of any cover up around this murder from his administration. Have you got a link?
“Mike Pompeo has backed his president, saying after talks with Turkish Foreign Minister Mevlut Cavusoglu that "it's a mean, nasty world out there".”