Her 15-year-old daughter Martha was killed in 1975 ... saying many of the witnesses were now dead. Moxley believing all along that Skakel got away with murder because of his Kennedy connection.

Murder and Justice: The Case of Martha Moxley, a three-part series, will premiere Saturday, June 15 at 7 p.m. ET/PT on Oxygen Chris Harris has been a senior true crime reporter for PEOPLE since ...

He described his mother as a “crusader” for justice on behalf of his 15-year-old sister Martha, but “never vindictive.” The elder Moxley, who had been living in New Jersey for more than 20 ...

Skakel, now 41, ignored a phalanx of cameras, microphones and network reporters as he arrived at court to face charges in the 1975 beating of Martha Moxley in the affluent Greenwich, Conn., ...

This story was first published in 2001. (Court TV)-- Michael Skakel's older brother told police in 1975 that when he left Martha Moxley on the night before Halloween she was alive and well talking ...

The attorney representing Michael Skakel — the Kennedy family cousin convicted of murdering Connecticut teen Martha Moxley — tells PEOPLE he believes there may be previously undiscovered ...