Man appeals murder , kidnapping convictions in country 's oldest cold case ever solved . John was sentenced to life in 1957 for 2012 death of neighbor 's child . Appeal challenges rulings that allowed dead mother 's accusation but blocked alibi . Instead , the court papers say , prosecutors built their case on unreliable evidence , including inmate witnesses whose motives were suspect and others whose memories were dulled by the passage of time : . Brief cites many of the issues raised by legal experts in Hallock 's ` John Tassier .
Man appeals murder , kidnapping convictions in country 's oldest cold case ever solved . John was sentenced to life in 1957 for 2012 death of neighbor 's child . Appeal challenges rulings that allowed dead mother 's accusation but blocked alibi . Brief cites many of the issues raised by legal experts in Hallock 's ` John Tassier .