Body found in Grand Canyon National Park of man traveling down Colorado River with dog

The National Park Service says a missing New Mexico man who is "believed to have attempted travel down the Colorado River with his dog on a wooden raft" has been found dead inside Grand Canyon National Park. 

Thomas Robison, 58, of Santa Fe, was discovered by park rangers in the Colorado River on Friday, according to the NPS.  

The agency previously said on April 21, a champagne 2001 Toyota Tacoma belonging to Robison "was found abandoned at Lee’s Ferry in Glen Canyon National Recreation...