Are those 3 people not related in any way to this incident? As far as I can tell the 4 deaths were directly related to the protest. The one person in the US Cap

Are those 3 people not related in any way to this incident? As far as I can tell the 4 deaths were directly related to the protest. The one person in the US Capitol was shot and was pronounced dead later on. Does it make a difference that not all 4 were shot in the same place?