Types of Smoke and Odor Source: Cigarettes vs Wood Fire vs Wildfire Differences in odor strength and ease of removal Smoke varies depending on its source: cigarettes (chemical, strong odor), firewood (white/gray, earthy), general fires (colors depending on the material: white/gray/black/yellow, burnt smell), and forest fires (fine particles, chemical, burnt resin/plant odor, irritating, with CO and other toxic gases)
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Investigators did not think it was a coincidence: DNA evidence collected then and tested years later indicated the same man was likely responsible for both slayings
Surgeon General Vivek Murthy on smoking concluded that changing cigarette designs have caused an increase in lung adenocarcinomas, and Murthy implicated cigarette filters