These little heroes are essential.
Since the deadly mudslide hit Saturday, rescue dogs have been at the site helping with the search mission.
AP Photo/The Herald, Mark Mulligan, Pool
The death toll from the mudslide has now risen to 21, officials said.
AP Photo/The Seattle Times, Marcus Yam
More than two dozen bodies have been recovered, but they won't be added to the death toll until formally identified.
Pool / Reuters
Crews note the task is especially difficult, as they do not always find complete remains.
AP Photo/Rick Wilking, Pool