The demise of John Edwards' marriage after he got his mistress pregnant was very public, and while he has never spoken ill of his late wife, one of his close friends recently said John had a "hard time" with Elizabeth.

Bunny Mellon, the extraordinarily rich benefactor whose $725,000 donations to Edwards are at the center of his federal indictment, gave her first interview in over 25 years and spoke about the Edwards' relationship.

After pleading not guilty to six felony charges John Edwards was directed by the court to submit to a urine test RadarOnline.com has exclusively learned.

The former senator was released on his own recognizance without having to post bail on Friday, but according to the conditions of release document obtained by RadarOnline.com he had to take a urine test.

EXCLUSIVE DOCUMENT: John Edwards Conditions Of Release

The documents state that Edwards must "submit to urinalysis at time of release and if positive, submit to further urinalysis testing," before he was released. The Department of Justice spokesperson said that they do not believe the results of the urine test will be made public.

John Edwards appeared in a Federal Court in North Carolina on Friday, and pleaded not guilty to six felony charges including conspiracy, false statements and campaign law violations.

The two-time U.S. presidential candidate and former North Carolina senator gave a brief statement outside of the court saying: “There’s no question that I’ve done wrong and I take full responsibility for having done wrong. And I will regret for the rest of my life the pain and the harm that I have caused to others but I did not break the law and I have never, ever thought I was breaking the law.”

DOCUMENTS: John Edwards Arrest Warrant

There was no bail set and the judge released Edwards on his own recognizance.  He must surrender his passport and is restricted to travel in the 48 contiguous states.