Finally found the interview with David and dad Kevin Hogg - https://www.cnn.com/2018/02/21/us/david-hogg-youtube-video/index.html
Turns out, it was filmed yesterday with Anderson Cooper. Dad says nothing. So, where are camera hogg and shaved head if they aren’t at the presser? Maybe he got the message he was being too over the top and dad told him and CNN mama to stay out of it.
And a few dozen more (Ft. Hood's Hasan, 9/11, John Doe #2 aka Padilla...) others but that's a start.
Oh he did show up, said he was NOT out to get the NRA, yeah right!
He was interviewed on Overtime w/Harris Faulkner.
As far as I saw neither Hogg or shaved=head girl spoke at the presser.