In this 2005 photo provided by Peter Michaelis, Mary Richardson Kennedy poses for a photo outside her Bedford, N.Y., home. Kennedy, the estranged wife of Robert F. Kennedy Jr. who had fought drug and alcohol problems, was found dead in her home Wednesday, May 16, 2012. She was 52. (AP Photo/Peter T. Michaelis)

Photo by: Peter T. Michaelis

In this 2005 photo provided by Peter Michaelis, Mary Richardson Kennedy poses for a photo outside her Bedford, N.Y., home. Kennedy, the estranged wife of Robert F. Kennedy Jr. who had fought drug and alcohol problems, was found dead in her home Wednesday, May 16, 2012. She was 52. (AP Photo/Peter T. Michaelis)