Spent shell casing search, along with stumps with possible slugs, talk of tarrot cards, and Gulf War ex-Ft.Lewis occupant of the duplex...still a mystery unraveling..
Also heard that the same type of investigation is happening in other locations, so I suspect the FBI back east had a list of folks they haven't seen/heard of for awhile that might be suspects (shrugs)
Edit: Gulf war, not Viet nam.
Edit: turned out the other investigation was in Alabama...