WASHINGTON — The Latest on former national security adviser Michael Flynn (all times local):

8:40 p.m.

The special counsel's office is calling Michael Flynn's cooperation "substantial" and is recommending no prison time for the former Trump administration national security adviser.

Prosecutors on Tuesday filed a sentencing memorandum in the case of Flynn, who pleaded guilty last year to lying to the FBI regarding conversations about sanctions with the Russian ambassador.

The court filing provides the first details of Flynn's cooperation with special counsel Robert Mueller's team.

It was filed ahead of Flynn's Dec. 18 sentencing. Defense lawyers will have an opportunity to respond with their own recommendation next week.

Prosecutors also say Flynn's "record of military and public service" sets him apart "from every other person who has been charged" in Mueller's investigation.

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1:40 p.m.

Special counsel Robert Mueller is set to give the first public insight into how much information President Donald Trump's former national security adviser has shared with prosecutors in the Russia investigation.

The special counsel faces a Tuesday deadline in Michael Flynn's case to file a memorandum recommending a sentence and providing a federal judge with a description of how valuable the retired U.S. Army lieutenant general has been to the probe. The deadline comes ahead of Flynn's Dec. 18 sentencing and more than a year after he pleaded guilty to lying to the FBI about reaching out to Russian government officials on Trump's behalf.

Federal sentencing guidelines recommend between zero and six months in prison for Flynn, leaving open the possibility of probation.

The detailing of at least some of Flynn's cooperation also comes as Trump has increasingly vented his anger at the probe.