ATC reserves verdict in case
Khalid Yusuf Bari had assisted the attackers in 2015's Safoora Goth bus massacre
Lawyer claims they were tried illegally, without counsel
Her killers, who are on death row, have challenged their convictions
Development comes days after three other suspects were acquitted by military court of charges of facilitating carnage
Two brothers, reportedly acquitted of charges, still in army custody
Alarming aspect of JIT report of five terrorist to be hanged is how ordinary, how unexceptional these killers were