Marriage: Margot Sheridan (1991-2001, divorced)
Children: George, 1999
Education: Curry College, Milton, Massachusetts, B.A., 1993
Both Skakel and victim Martha Moxley were 15 years old at the time, and lived near each other in Greenwich, Connecticut.
His older brother, Tommy, and their live-in tutor, Kenneth Littleton, were also suspects.
Prosecutors claimed Skakel killed Moxley in a jealous rage.
Dominick Dunne's bestselling 1993 novel "A Season in Purgatory"
is based on the case.
October 30, 1975 - Martha Moxley fails to return home after her evening out concludes with a stop at the Skakel home to visit Tommy and Michael Skakel, Kennedy nephews by marriage.
October 31, 1975 - Martha's body is discovered around midday. She was beaten to death with a golf club, which is found near her body. Tommy Skakel is questioned by the police.
Skakel is charged with drunken driving. To sidestep a prosecution, Skakel family attorneys work out a deal with police: Michael will go to the Elan School in Poland Spring, Maine, to be treated for alcohol addiction and the state will not pursue the charges.
1994 - Michael Skakel works as an aide to Sen. Edward Kennedy's re-election campaign.
1998 - Two books based on the crime are published - "Greentown," by Timothy Dumas, and "Murder in Greenwich," by Mark Fuhrman.
June 17, 1998 - Superior Court Judge George Thim begins an 18-month one-person grand jury to review the information gathered by investigators.
January 19, 2000 - An arrest warrant for an unnamed juvenile is issued in the Moxley murder. Later the same day, Skakel surrenders to police and is released on $500,000 bond.
June 21, 2000 - At a pre-trial hearing, two of Skakel's former classmates at the Elan School in Maine testify that he had confessed to them back in the 1970s, "I'm gonna get away with murder. I'm a Kennedy."
January 31, 2001 - The courts rule Skakel will be tried as an adult.
May 7, 2002 - Testimony begins in the case.
June 7, 2002 - Skakel is convicted
and is incarcerated at Garner Correctional Institution in Newton, Connecticut.
August 29, 2002 - Skakel is sentenced to 20 years to life in prison. He will be eligible for parole in April 2013.
November 2002 - He is transferred to Cheshire Correctional Institution in Cheshire, Connecticut.
April 14, 2003 - Skakel is transferred to MacDougall-Walker Correctional Institution in Suffield, Connecticut.
November 24, 2003 - Attorneys file an appeal, seeking to overturn his murder conviction.
January 13, 2006 - The conviction is upheld by the Connecticut Supreme Court.
November 13, 2006 - The U.S. Supreme Court declines to hear Skakel's appeal, meaning his conviction still stands.
April 17, 2007 - Skakel's petition for a new trial begins. Former high school classmate Gitano "Tony" Bryant says two of his friends were involved in the murder, not Skakel.
October 25, 2007 - The petition for new trial is denied as the judge finds statements not credible that Bryant and his two friends, all African-American, could go unnoticed in the mostly white neighborhood.
November 6, 2007 - Skakel's lawyers file a writ of habeas corpus and petition for a new trial in federal district court.
September 27, 2010 - Skakel's lawyers file a new appeal claiming that his trial attorney, Mickey Sherman, was incompetent in that he failed to obtain evidence from prosecuting attorneys pointing to other suspects, and that Sherman's own financial problems drew his focus away from the case. Sherman had pleaded guilty in June to failing to pay $400,000 in federal income taxes.
February 8, 2011 - Skakel testifies in his appeal hearing, the fourth attempt at overturning his conviction.
March 6, 2012 - His appeal is denied by a three-judge panel of the Connecticut Supreme Court.
October 24, 2012 - Skakel is denied parole
by the state parole board in Suffield, Connecticut.
October 23, 2013 - A Connecticut judge orders a new trial for Skakel,
saying defense attorney Mickey Sherman's representation of Skakel was "constitutionally deficient."
November 21, 2013 -
Skakel walks out of court on a $1.2 million bond. Superior Court Judge Gary White sets several conditions for the bail: Skakel cannot leave the state without court approval; he must wear a GPS tracking device; he cannot contact the victim's family unless necessary, and must do so through his lawyer.
July 22, 2014 - Skakel's new attorney, Stephen Seeger, seeks to suppress audiotapes that the defense claims were obtained by a ghostwriter for use in writing Skakel's memoir.
August 8, 2014 - Prosecutors file an appeal to reinstate Skakel's conviction of killing Martha Moxley in 1975. If the appeal fails, prosecutors state they will retry Skakel.
October 31, 2014 - Skakel settles his 2013 slander lawsuit against HLN commentator Nancy Grace and Time Warner, Inc.
May 1, 2015 - Skakel files a brief in the Connecticut Supreme Court in response to the prosecution, asking the Court to affirm the habeas court's conclusion that Skakel's ineffective counsel deprived him of his constitutional rights, and therefore should grant his petition for Writ.