Chhay's family stood speechless in the spot where his silver Mercedes was dumped on Davidson Avenue.
The car was stripped of everything, including its wheels, when police on patrol found it and impounded it.
Now Chhay's closest friends and family are scouring the Bayview looking for answers and witnesses.
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The homeless who have tents in the area only noticed the car, but not Chhay.
"We saw it on the corner yeah, that's about it," one man said.
The 47-year-old is a full-time Uber driver but didn't plan to work that day. Now, after nearly a week without any word, many fear the worst.
"If someone car jacked him, took him somewhere, dumped his body somewhere that can't be found and then take his car and dump it at another place," friend Brandan Tang said.
Investigators paid their first visit to Chhay's house Saturday. They took his laptop, iPad, toothbrush and razor. And, they admit they haven't ruled anything out.
"We just have to keep the hope that he is in a good place and that he is OK. There is nothing that I can see at this point that would indicate that he is in trouble," SFPD Lieutenant Ed Santos said.
That's not what Chhay's wife of 20 years thinks. She's sure he is in trouble.
"His son is waiting for him for God's sake. His family is waiting for him. I give you anything you want. All I want, him to come back," Chhay's wife Rattana Kim said.
The family plans to expand the search to Oakland and Pacifica.
Chhay's house is now the family's war room because time isn't on their side.
"He loves his family way too much to leave without telling us where he's going or not even a phone call," said Chhay's wife Rattana Kim.
The case is no with SFPD's Special Victims Unit. But there are very few leads. The family worries an Uber passenger who left his phone in Chhay's car Saturday may be tied to his disappearance.
That passenger somehow tracked Chhay down at his home.
"I don't know if he was set up in any way," said Tang. "He's driving a Mercedes."
Chhay never arrived at his friend's home, and his phone has been off ever since.