IV. Procopio, a call center agent assigned at a graveyard shift, went home earlier than usual. He proceeded immediately to their bedroom to change his clothes. To his surprise, he found his wife Bionci in bed making love to another woman Magna. Enraged, Procopio grabbed a knife nearby and stabbed Bionci, who died. a) What crime did Procopio commit, and what circumstance attended the case? Explain. (3%) b) Assuming that Procopio and Bionci were common-law spouses, will your answer be the same? Explain. (2%)