A deliberate and calculated act or a crime of passion? That’s what jurors must decide in the first-degree murder trial of Brampton trucker Sukhchain Singh Brar, who killed his wife and set her on fire on Highway 402 near Sarnia early last year. Brar was “cruelly unaware” of his wife’s infidelity until she told him on that trip, prompting his crime, stated the defence submission to jurors Wednesday. “Hold him accountable for killing his wife.