YES, I have said this from the beginning. DJT needs to keep his own private security in a ring perimeter around him, with Sec Service in the outer ring perimeter.
Tonight I listened to this guy who was in the Marines in years past. In this video, he outlines specific ways they could harm him, and hopes DJT will take note. He said this is not new technology, and was effectively used years ago:
TRUMP in Danger, Do Not Live in the White House
https://www.youtube.com/watch?v=7_fApmfZftk
Amen.