Updated

A teenager has been charged with murder in the slaying of a 35-year-old man whose beaten and stabbed body was found in a Houston motel bathtub.

Harris County jail records show 17-year-old Carlos Mercado was charged Wednesday and is being held without bond.

Jail records don't list an attorney for Mercado.

He was arrested before dawn Tuesday for a traffic violation as he drove the victim's car. Investigators say Mercado's clothes were bloody, and that he admitted to the killing.

A cleaner discovered the victim's body in the Tropical Motel. The victim's identity has not been released

Houston police say Mercado and the victim checked into a room together and an argument ensued.

Authorities haven't released a possible motive in the death.