Former prosecutor warns Donald Trump: "Justice is coming"

'Donald Trump must be held accountable for his crimes…' former US Army prosecutor Glenn Kirschner says. 'And he will be.'

In his tweet, which is part of a longer video posted on YouTube (below), Kirschner, who is also an MSNBC legal analyst, says an investigation into Trump's crimes only appears to be moving at a 'glacial pace.' — Read the rest