“If you look…at the big picture…you get a very, very credible and compelling argument that the president of the United States has not been truthful with the American people," Napolitano said.

The Fox News contributor went on to say that if Trump attempted to shut down the Russian investigation to "preserve Justice Department resources," that would be a "legitimate" order, while doing it to "protect a friend" would be "corrupt."

Comey said in his testimony that before firing him, Trump asked if he could "let go" of the probe into former national security adviser Michael Flynn.

http://thehill.com/blogs/blog-briefing-room/337017-napolitano-credible-and-compelling-argument-that-trump-lied-to