| The 
				letter was sent by Lanny Davis on Thursday to the Democratic 
				heads of four congressional committees asking that they attest 
				in writing to his cooperation so far and the need to make him 
				available to continue assisting with their probes.
 Davis said he hoped federal prosecutors in the Southern District 
				of New York would take that into consideration and file a motion 
				to have his sentence reduced and postpone the start of his 
				prison term so he can readily assist investigators.
 
 Cohen, who is due to start a three-year prison term on May 6, is 
				still going through a recently accessed hard drive with more 
				than 14 million files, including e-mails, voice recordings and 
				attachments from his computers and phones, Davis said.
 
 "It is our hope that the authorities in the Southern District of 
				New York will consider this total picture of cooperation ... and 
				the particular facts involved here to grant Mr. Cohen a reduced 
				term," Davis wrote.
 
 Cohen was one of Trump's closest aides and once said he would 
				"take a bullet" for him. But he turned against Trump last year 
				and is cooperating with prosecutors after pleading guilty to tax 
				evasion, bank fraud and campaign finance violations.
 
 Cohen testified before a handful of congressional committees in 
				late February including a dramatic televised hearing in front of 
				the House Oversight Committee in which he denounced the 
				president as a "conman" and a "cheat" and accused Trump of 
				breaking the law while in office.
 
 "There is no doubt that Mr. Cohen's testimony, both public and 
				private, has contributed substantially, with documents and other 
				evidence, to triggering additional areas for investigation by 
				law enforcement authorities and the Congress," Davis wrote.
 
 Davis did not identify the six government entities.
 
 (Reporting by Nathan Layne in New York; Editing by Daniel 
				Wallis)
 
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