In the morgue when Gibbs bends down to smell the body a different actor was used for the shot from the rear as they have a different hairstyle.
Trusts do not have executors; they have trustees. Estates have executors. An adult who cannot make his or her own decisions may also have a conservator (children have guardians), but an executor is only for the assets of a dead person.
There was talk about knowledge from a "primer." It was mispronounced as primer with a long "i" when it should be said with a short "i." Typically in the 1940's the first book read from was a 'primer.'
At the beginning when Ellie Bishop gets on the elevator with Timothy McGee and his girlfriend, Delilah Fielding, Bishop introduces herself to Delilah by saying "I'm Ellie Bishop.", not "Emily Bishop" as was misheard.
Abby states that she has separated the debris into quadrants, but there are only three piles described.