Sheriff: Details on train deaths may never be known

TIMELINE MONDAY AUG. 22Shortly after midnight - Michael Hennen closes up Hennen's Restaurant after working a full shift; Hannah Barnes also worked at the restaurant that night.2:40 a.m. - The pair stops at the Walmart on Signal Mountain Boulevard, where Barnes purchases a swimsuit.Between 3 a.m. and 4 a.m. - Pair buys snacks and water at the Kangaroo gas station near Bakewell, Tenn.3:57 a.m. - Michael Hennen texts the caretaker at the McDonald Farm in Sale Creek to say that he and a friend are going for a swim on the property that night. The farm is about 30 miles from Chattanooga.6:10 a.m. - A Norfolk Southern train crew calls 911, reporting that the train has struck two people on the tracks crossing the property at the McDonald Farm.Source: