Isabel Vincent’s biography ‘RFK, Jr.: The Fall and Rise’ details the days leading up to Mary’s death at age 52 in 2012 ...

RFK Jr. and Mary Richardson Kennedy got married in 1994 and separated in 2010 ...

Robert F. Kennedy Jr.’s late second wife, Mary Kennedy, gave a friend his personal diaries before her 2012 death, viewing ...

"RFK, Jr.: The Fall and Rise" by investigative journalist Isabel Vincent hits bookstores on April 14.

The incident has resurfaced in the upcoming biography "RFK, Jr.: The Fall and Rise" by Isabel Vincent ...

Mary died in 2012, two years after RFK Jr. filed for divorce.

In RFK Jr.: The Fall and Rise, investigative reporter Isabel Vincent uses excerpts from Kennedy’s diaries and interviews with ...

Fourteen years after the death of RFK Jr.'s second wife, a new biography reveals haunting new details of her final days ...

Robert Kennedy Jr. once complained in secret diaries about his flailing sex life with his second wife and his struggles with ...

Reporter Isabel Vincent, who authored the upcoming biography 'RFK, Jr.: The Fall and Rise,' heard from sources that the ...

The final chapter of Mary Richardson Kennedy 's life was dark, as estranged husband Robert F. Kennedy Jr. allegedly tormented ...

What did he do?