Let's see…
They (men, women) wear Mormon with Mason stitching on it called Temple Garments, sometimes derided as "magic underwear"
https://en.wikipedia.org/wiki/Temple_garment
The origins of the religion are connected to Masons…
https://en.wikipedia.org/wiki/Mormonism_and_Freemasonry
They are collecting ALL the genealogy and DNA and storing it in the side of a mountain, along with enough food for 50 people for ten years…
https://www.identiv.com/resources/blog/the-worlds-most-secure-buildings-the-granite-mountain-records-vault-in-salt-lake-city-utah
They baptize dead people (entirely fucked up and a dig of it's own if you are so inclined)
https://en.wikipedia.org/wiki/Baptism_for_the_dead
Forgot this:
Masonic symbols on temple garments
https://www.reddit.com/r/exmormon/comments/7y16r4/masonic_symbols_on_garments/?rdt=48804