Trained park search and rescue crews did what they could, but searching a 2 mile vertical canyon with inumerable ledges and impassable rock outcrops is a challenge.
The Grand Canyon is not like strolling down a suburban street, it is potentially extremely dangerous. Hundreds of people have died there:
Sixteen people have died in the backcountry of Grand Canyon National Park so far this year. It’s a higher-than-average number for the park, which typically sees about a dozen deaths annually.
www.knau.org