Sherlock Holmes determines the time of death for a body found on a street in London and we need to reproduce his astute analysis It was hot for a London fall day -- 70oF. Holmes arrived at Barker Avenue Annex to find the inspector hunched over the body. ``It is important that we determine the exact time of death, sir, for in that way we may immediately determine the motive," said the inspector.Not wishing to pursue the unpursuable non sequitur, Holmes took out his thermometer and after a few mom…