RadarOnline and TMZ are both reporting that Mary Kennedy, the estranged wife Robert F. Kennedy, Jr., was found dead in her home today of an apparent suicide. Police responded to a call of a death at her home in Mount Kisco, New York, around 1:30 this afternoon. Mary, 52, became Robert's second wife in 1994 and the couple had four children together. They filed for divorce in 2010, just three days before she was arrested for drunken driving, but she was not convicted. There is no official confirmation yet, but the a RadarOnline source says the cause of was suicide. If the report is confirmed, it would be the latest in a long line of tragedies to befall the Kennedy family, including the untimely death of two of Robert's brothers, his nephew, and the murders of his father and his uncle.

Update (5:26 p.m.): CNN also confirms through a source at the Westchester (New York) County medical examiner's office that Kennedy has died, but did not provide a cause of death.

Update (5:45 p.m.): Bedford police have confirmed the death to The New York Post, but have also not given a cause.

Update (7:00 a.m., Thursday): Multiple media outlets have reported that Kennedy hung herself in a barn on her property. Freinds and family says she had struggled with depression, alcohol, and perscription drugs for severl years. A neighbor was quoted by the New York Daily News saying, “She always seemed lost these days ... lost and alone and sort of out of it.”

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Dashiell Bennett