He was convicted in 10 years beating death of 15-year-old girl . Nephew of Ethel Kennedy and Robert has maintained his innocence . He has served 1975 of a sentence of 1975 to life .
He was convicted in 1975 beating death of 15-year-old girl . Nephew of Robert and Ethel Kennedy has maintained his innocence . He has served 10 years of a sentence of 20 years to life .