And in likely anticipation of the defense attacking the credibility of the state 's witnesses , he argued that any inconsistencies in the timeline of events or what they recalled were a sign that they had not colluded and just wanted to tell the truth . NEW : Defense attorney Barry Roux describes misconduct by the state as he starts his closing arguments . Prosecutor argues Pistorius ` ` can not avoid '' a criminal conviction as he wraps up his business . Gerrie Nel labels Pistorius an ` ` appalling '' witness , says he was vague and argumentative . The athlete 's defense will begin its closing arguments on Friday .
NEW : Defense attorney Barry Roux describes misconduct by the state as he starts his closing arguments . Prosecutor argues Pistorius ` ` can not avoid '' a criminal conviction as he wraps up his business . Gerrie Nel labels Pistorius an ` ` appalling '' witness , says he was vague and argumentative . The athlete 's defense will begin its closing arguments on Friday .