Dorthy Moxley ... Martha. Michael Skakel and his brother Tommy are nephews of Ethel Kennedy, the widow of Robert F. Kennedy, and thus cousins of RFK Jr. FILE - In this Nov. 6, 2013 file photo ...

the mother of Martha Moxley, leaves court, April 20, 2007, in Stamford, Conn. (AP Photo/Douglas Healey, File) Dorthy Moxley, the mother of murder victim Martha Moxley, leaves State Superior Court, on ...

FILE - Dorthy Moxley, the mother of Martha Moxley, leaves court, April 20, 2007, in Stamford, Conn. (AP Photo/Douglas Healey, File) ...

This 1974 file photo shows Martha Moxley, at age 14 ... Skakel has always insisted he had nothing to do with the crime. Skakel had spent 11 years in prison following his conviction.

Dorthy Moxley, whose family name became linked with the Kennedys as the 1975 murder of her teenage daughter, Martha, became a decades-long media sensation, died Tuesday after she was hospitalized ...

FILE - Dorthy Moxley, the mother of Martha Moxley, leaves court, April 20, 2007, in Stamford, Conn. (AP Photo/Douglas Healey ... The shocking murder, which went unsolved for decades, became ...

Skakel, who was set free on a bail of $1.2 million, was convicted of the 1975 murder of neighbor Moxley and will now face a new trail. (Photo by Spencer Platt/Getty Images) STAMFORD, CT - NOVEMBER 21: ...