Maria Shriver's People Leaked Arnold Baby Story

Maria has discovered that Arnold was the father of the son of Mildred Patty Baena, she was "hysterical" and wanted to hold a news conference blowing the cover of the scandal.

We are told that the friends of Maria told him of a rim and a plan was finally hatched to escape the details for the Los Angeles Times and TMZ.

And we have new information on when Maria discovered the baby. Now we are told Maria learned about the love child of Arnold in late April or very early May.

The calendar also supports the story broke earlier - that Maria was unhappy in his marriage and wanted for a long time. Maria looked expensive condos LA in January with a real estate agent Beverly Hillls.

Maria told her friends for nearly two years, she wanted a divorce but never pulled the trigger. Maria, we are told, is now ready to end the marriage.

As for Arnold, our sources say that Maria is upset his friends talked about the scandal. Arnold and his people know the story leak through the camp of Maria.