Two codes were hidden in the HANK JOHNSON’S NOMAD: 13MAGNUS REAWAKENS PART 3 post and 1 code in the Youtube video on the Investigate Ingress blog.
[1] onjguguobjfgevatfvguavwr
[2] ct4ai6maondtae4d99xu
[3] lightman4tm34zf3
Code #1
Observations
An old roman emperor will lead you to the solve
Code #2
Observations
Bit of a twist and an old Ingress story
Code #3
Observations
This code doesn’t need any decoding