His family said his phone, keys and clothes were recovered near the falls and believes he drowned after being trapped in hydraulic currents beneath the roughly 25-foot waterfall.
Jilani disappeared on Oct. 5 after failing to check in, with location-sharing cutting out in an area without cell service; his mother was later hospitalized after learning of his death.
The National Park Service has not released an official cause of death and warns the park has no lifeguarded swimming areas, with slippery rocks and waterfall currents posing fatal risks.