Did a quick search and most article are dated April 19th. The latest I found is from Newsmax dated today. Jackson Standefer, Lou-Ann Merrell Swept Away in Canyon.

Earlier articles spoke of Merrell Boot donating equipment --
Merrell Boot offers rescuers, drone for Grand Canyon search for missing hikers
Quote:
...The boy’s uncle, Mark McOmie, says the company has offered to provide climbers, rescuers and a military grade drone. ...

The search continues.