new trial. ron claiborne was outside of the courtroom. >> reporter: michael skakel is a free man. still insisting he was convicted of a crime he did not commit. >> hopefully we are at the first step of righting that wrong. >> reporter: the case combines money, power and one of america's most famous families. skakel is the nephew of robert f. kennedy and his wife ethel. his arrest for the brutal '75 murder of his pretty young neighbor had the public transfixed from the very beginning. it happened in ritzy greenwich, connecticut. 15-year-old martha moxley found under a tree, bludgeoned to death with this golf club in her family's back yard. there were no witnesses to the crime or dna evidence. skakel was also 15 at the time of the murder but wasn't charged until 25 years later. largely on the testimony of a prep school pal who said that skakel confessed to him, saying, "i'm going to get away with murder. i'm a kennedy." >> in connecticut today, a man named michael skakel was convicted of murdering a teenager neighbor named martha moxley.