The attackers could not have bounced their surveillance feed off a satellite in orbit, let alone multiple ones, because that would have caused a notable delay and they would not have been able to communicate in real time as shown. The distance to a satellite in orbit is that much longer than across any land or undersea cables.
After the funeral service for Elizabeth Keen in the church, footage is shown of what is ostensibly the agents and family in the funeral procession. This includes limousines and black S.U.V.s with red and blue emergency lighting. However, this is actually stock footage of the U.S. President's motorcade, including the iconic and unmistakable armored presidential limousines.
Red pronounces the Scots island "Islay" and its single malt "iss-lay." The correct pronunciation is "eye-luh."
After the funeral, Samar and Aram ride with Ressler to the cemetery. Harold is not happy when Aram sparks up some weed and passes it to Samar. Samar states, "It's legal in D.C." However, as federal employees, they are prohibited from using any federally banned drug, which includes weed.
It makes no sense to assume the woman in the surveillance pictures is Liz' mother because Liz' mother should be in her sixties whereas that woman looks like she is in her late forties.
Reddington makes it sound like Islay was a type of highland single malt whisky but Islay itself is actually one of the five Scottish whisky producing regions protected by law, beside Highland, Island, Lowland and Speyside.