'Game over': CNN legal analysts explain how Cohen's latest revelation could be the 'spark' that blows up Trump Tower

Michael Cohen's latest bombshell — that Donald Trump knew about the infamous Trump Tower meeting his son, son-in-law and former campaign chairman held with a number of Russian nationals in June 2016 — could be a major turning point in the collusion case against him, two CNN legal analysts argued Friday morning.

"If Cohen is telling the truth about this," said CNN legal analyst Jeffrey Toobin, "it completely changes our understanding of what Donald Trump's role was."

"This meeting in Trump Tower is the clearest example we have so far of a direct connection between the Russian government and the Trump campaign," he added.

Donald Trump Jr. and the president both swore that the elder Trump was unaware of the meeting, and Rudy Giuliani, the president's lawyer, has claimed Cohen is lying.

Former FBI special agent Josh Campbell and Toobin both agreed that although Cohen isn't necessarily the most "credible" of sources, his role as the president's longtime former fixer would afford him inside knowledge.

"The fact to me as an investigator that he came out and said 'I met one-on-one with the president and we discussed this Russian meeting,' the fact that he opened this aperture now to other people, to say there were other witnesses, why would he do that if he wasn't telling the truth?" the ex-FBI agent mused.

Campbell went on to say that special counsel Robert Mueller and the FBI will soon begin figuring out who the other witnesses Cohen mentioned are and interviewing them, and if those individuals have "already locked in their testimony" by claiming the president didn't know about the meeting.

If Cohen or anyone else can "come up with one shred of corroborating information" that proves Trump did know, it will be "game over," he added.

"That could be the spark that burns the whole house down," Campbell said.

Watch below via CNN: