Three codes were hidden in the Hank Johnson: Connections post on the Investigate Ingress blog.
[1] vfsh38ncuh69e6k
[2] 9yap376hhcn7rne
[3] 281327473418191512373834474723473418191525
Code #1
Observations
15 characters with enough numbers for a valid passcode. Same old cipher with a few slides
Code #2
Observations
Again, 15 characters with the right amount of numbers for a valid passcode. Round & round you go
Code #3
Observations
You might want to call a friend for help