Leon's Campaign - Chapter 2
Above: All emblems from chapter 2
Emblem 2: Once you enter the cathedral, run to the altar and turn around. Look high on the far wall to find an emblem. You can also get this later in the level, where it will be much more obvious.
Emblem 4: After sliding down the chute into an area of ankle-deep water, look left after crawling under the second low archway.