Nagercoil: A man committed suicide after killing his wife here on Sunday. According to police sources, Lorry driver Anbaiyan (56) met with a road accident recently. He was bedridden following which his wife, who was working in Maldives, came home to look after him. When she wanted to go back to Maldives, Anbaiyan suspected her fidelity. He killed the woman by attacking her with a sickle and later committed suicide.