You don't need to save and exit your game to use this cheat, just enabling
bb.showhiddenobjects once in build mode should work and then in the filters under 'content' you can choose debug or even easier just use the search feature on the left of the UI.
You do need to save and exit your game to unequip this cheat. *edited thanks to
@oshizu pointing out my derp.
By the way, completely jealous that you are having abductions.