I think the problem is an on going situation that eliminated anything from dropping as you defeat them in the zone. Used to be as you were working toward those 5000 defeats everything from armor to furniture and R+D salvage would drop. Its been a while by these days the ONLY thing you get from defeating a Parademon is the small in game cash reward.. NOTHING drops. There is another thread on this same subject and on that one SirTanksaLot mentioned the ongoing problem that has yet to be resolved. Here is a link to that thread LINK