Speaking with Blue Castle Games' Rob Barrett, Eurogamer asked if players would be taking photos in this DLC. "It's back. It's part of Frank," explains Barrett. "So when Frank comes back, so does the photography."
Just as 'Case Zero' tells the prologue of Dead Rising 2, 'Case West' is the game's epilogue, which will see Frank helping DR2 protagonist Chuck Greene clear his name, though the specifics of this partnership aren't being discussed currently.
I'm curious if Case West will look at a player's Dead Rising 1 save file if one exists. Mainly because I just went through and rebuilt mine just in case. :)