"This is the first time a president has tried to declare an emergency when Congress explicitly rejected funding for the particular project that the president is advocating," Schiff explained.
Adam Schiff, chairman of the House intelligence committee, said the panel would probe the financial interests of Trump, his family and allies to determine if those interests are driving the president's or his administration's decisions.
The president has called his intelligence officials "extremely passive and naive" on foreign policy issues and suggested they should "go back to school!"
"Whether it amounts to criminal conduct, clearly the efforts of the House Republicans were designed to impede and throw sticks into the spokes of the Mueller investigation," Democratic Senator Sheldon Whitehouse said.
"The rich and powerful shouldn't play by some other set of rules," said the Representative from California.
"There's a very real prospect that on the day Donald Trump leaves office, the justice department may indict him," Schiff said.
"There is now a witness who confirms that in the same way Michael Flynn was compromised, that the president and his business are compromised," Representative Adam Schiff said on ABC's "This Week."
In addition to Russia, Adam Schiff has also recently voiced his concerns about Trump's possible financial ties to Saudi Arabia.
"We do know of course he has openly bragged about how many millions he makes from Saudi Arabia," the California Democrat pointed out. "Is his personal financial interest driving U.S. policy in the gulf?" he asked.
Incoming House intelligence committee chairman Adam Schiff said move is "within our responsibility."
"I think it's more than fair to say that the combination of the president's unpredictability and indeed, his bellicosity had something to do with the North Koreans deciding to come to the table," Schiff said.
"The only fraud is the occupant of the Oval Office," California Secretary of State Alex Padilla said.
The memo will likely include redactions, the source said.
The president argues he is "vindicated" in the Russia investigation by a GOP memo. Now he needs to decide whether to release the Democrat reply.
Trump did not just recently begin using "little" to put people down.
Representative Adam Schiff said House Intelligence Committee Chairman Devin Nunes changed a controversial memo after the panel reviewed it.
Representative Adam Schiff condemned Trump's alleged attempt to get rid of the special counsel.
The hashtag "#ReleaseTheMemo" exploded on Twitter last Thursday.
If Americans heard private testimony in the Russia investigation probe, they would be "very troubled," says Representative Joaquin Castro.