month as grad student jelani day. he was reporting a month ago. his cause of death remains unknown. his mother has been publicly pleading for more help finding him following the huge wave of interest in gabby petito. >> i'm actually happy. i'm glad that it's getting media attention. it helps us with our investigation. and it also helps bring awareness to other missing people. on our part is we probably need to do a better job on updating people. quarterly, who is still missing? we've got missing people that have been gone for a few months and we don't want them to fall through the cracks either. >> another one who fell through the cracks apparently 24-year-old daniel robinson, a geologist who went missing after leaving a work site in the arizona desert on june 23rd. his father hired an independent investigator and put together a volunteer search team when he felt the police weren't making progress. >> 24 to 48 hours, the first crucial moments, and those