Screenshots dated April 2001 from legacy of Steel rogue Tigole.
http://www.legacyofsteel.net/gallery...ages/motg1.jpg
http://www.legacyofsteel.net/gallery...progenitor.jpg
Base on the above screenshots it appears "an ancient sentry" could not see rogues in sneak/hide.
At present there are two separate issues that relate to this.
1) Base faction level for ST Trash Mobs is Apprehensive.
http://www.legacyofsteel.net/gallery...ages/motg1.jpg
2) ST Trash faction is "Faction472".
http://www.legacyofsteel.net/gallery...lentrydown.jpg