In addition, he was 15 years old when he was put to death, and it corresponds to an execution for people under 18 year old which is now prohibited by a legal precedent of the Supreme Court of the United States of America.
なお、彼が処刑された年齢は犯行時15歳であり、現在のアメリカ合衆国最高裁判所の判例で禁止された18歳以下の死刑執行である。