He should avoid Seth Rich
Wikileaks publications on the issue is more than enough for FISA warrants on everyone in the DNC.
https://web.archive.org/web/20180126232055/http://wlsearch.tk/
https://web.archive.org/web/20180126232055/http://wlsearch.tk/
https://web.archive.org/web/20180126232055/http://wlsearch.tk/
They can't pretend this never happened forever.