The district attorneys of the several circuit court districts in the State of Mississippi shall furnish the superintendent of the Mississippi state penitentiary and the probation and parole board, within fifteen days after adjournment of each term of court, a written report on each person sentenced by the court for a term in the state penitentiary, showing therein a summary of facts of the case for which he is serving sentence, pertinent circumstances of his life, the antecedents of the violation of the law because of which he has been committed to the penitentiary, and his prior training and employment as available to the district attorney at the time of conviction, including prior convictions, results of mental examinations, and conditions under which arrest was made.