A man is in his hot tub. He has just had 3 bottles of Grand Marnier. He is about forty-five, very slightly overweight, and has smoked cigarettes since the age of seventeen. He needs to die. It would be good for the symbolism of my story if he died from drowning. So I had him have a heart attack, pass out from the resulting lack of oxygen, slide below the surface of the water, and drown. Feasible?
Thank you everybody--I think I know where I'm heading with this now!