It's very likely Thomas killed Lois. I believe there was domestic violence in the household. Rasmussen being involved is probably a long shot. The Mushroom Hunters, time-frame, 55 gal barrel, single mother with at least 1 child and a man from Texas caught my interest. Plus I do not think Rasmussens whereabouts in 1983 are known. This barrel was found the same year or the year after the 2 smaller children were located in Bear Brook.