LAS VEGAS -- The man wanted for questioning in the drug-related abduction of his 6-year-old grandson in Las Vegas has been apprehended Saturday in California, said San Bernardino authorities.

Clemons Fred Tinnemeyer, 51, is wanted for questioning in the kidnapping of Cole Puffinburger, 6, Metro police said. Tinnemeyer left Las Vegas in May, causing his family to file a missing persons report. Before leaving, Metro investigators said that he stole about $8 million from a Mexican drug cartel his family is involved with.

Tinnemeyer had not contacted his family since August.

On Wednesday, to Hispanic men disguised as police broke into Puffinburger's home, tied up his mother and step-father and abducted him at gunpoint. Police have issued an Amber Alert for the boy, but he still remains missing.

A dispatcher for a San Bernardino County detention center who did not give her name, said Tinnemeyer was arrested late Friday night in Riverside, Calif. It was not clear on what grounds he was taken into custody.

Tinnemeyer was arrested by the U.S. Marshals Service and was not eligible for bail. Officials have not said if he would be extradited back to Las Vegas for questioning.

Puffinburger is 3 feet 11 inches tall and weighs approximately 48 pounds. He has blond hair, blue eyes, distinctly stained front teeth, an overbite and wears prescription, silver-rimmed glasses. He was last seen wearing a black, zip-up, hooded sweatshirt with white, black and blue stars on it; a black John Cena WWE wrestling shirt; dark jeans; a belt; white socks; and black Vans sneakers.

The men are described as having Hispanic accents. One man is described as in his early 30s, 5 feet 7 inches tall and weighing 150 pounds. He has black, shoulder-length, slicked-back hair. He was last seen wearing a white T-shirt and blue jeans, Rivera said.

Anyone with information is asked to call Metro police at 702-828-3111.