FORT LUPTON, Colo. -- Police have a mystery on their hands after a man vanished three weeks ago without a trace.
Brian Erives, 23, disappeared around 4 a.m. on Christmas after leaving a party at a friend's house in Fort Lupton.
"He left without his jacket, nothing," said Juan Delara.
Friends and family said he left without talking to anyone. But Erives' girlfriend told police he was headed to Denver to visit her, even though he had been drinking at the party and she begged him not to.
No one knows what happened to Erives. His 1999 Volkswagen Jetta hasn't been seen, and his credit cards and phone haven't been used. Police also believe his phone was turned off, which is why they haven't been able to trace it.
"There's no point to start from so you pretty much have to search everything. There's no place we can start a pattern, no place we can start building a puzzle or anything like that," said Erives' brother, Erick Erives.
Police haven't ruled out foul play. Neither has Erives' family, even though they don't have reason to believe anyone would harm him.
"Sometimes people have secrets and they're embarrassed to admit something," Erick Erives said.
Family and friends have been searching every road, ditch, field and pond they can find between Fort Lupton and Denver. They say they're fearing the worst, but hoping for the best as days have turned into weeks.
"It's still not real. It's hard to accept," Erick Erives said.
Erives' vehicle has Colorado licence plate YPQ-869. The vehicle has a dent on the right back door with a sticker of a Band-Aid on it.
Erives was last seen wearing a No. 15 black Oakland Raiders jersey, a Raiders hat and red shoes. He has several tattoos on his arms.
Anyone who sees Erives or has information is asked to call the Fort Lupton Police Department at 303-857-4011.