Clearly robbery was involved in the crime or the two would’ve have been driving his car. So whether LD carried a weapon for protection from wildlife or not and that got taken along with the other contents of his vehicle isn’t what stood out to me most, when reading his sisters writings.
It was his kindness, his gentleness, a person who can’t have posed any threat to them, somebody who’d be more inclined to resort to reason as a means of defence in a dangerous situation. But IMO the two wanted his car in order to flee. What other reason did they have to steal a car and leave the owner dead if not because they began to fear their distinctive truck and camper was sighted on dashcam footage along the Alaskan Highway the night of July 14th?
they could have taken the car without killing him- it is a big wilderness- they could have dropped him somewhere inconvenient, but apparently they
had no real qualms about killing. my worst fear is that he actually was killed because he was friendly and tried to help them in some way and they used that against him as a weakness, because that is so despicable, IMO.