President Trump [courthouse]: Let me just tell you that the White House is the person, or the group, whatever; they're the one trying this case. You heard who was doing all the talking, representative from the White House, just recently. This is all about Biden can't campaign, so he's trying to injure his opponent. They're trying to hurt the opponent, because they can't win it fair and square. It's lawfare…it's third-world country way of campaigning.
To 'put someone on ice'; 'ice them', is slang for murder.
They are only free from, arrest when, "attending or traveling to and from congress, except in cases of treason, felony, or breaches of the peace."