A 23-year-old Renton man, arrested in Clallam County on Wednesday evening, is accused of killing his girlfriend, whose body was found on Valentine’s Day in the Olympic National Forest.

The body of the 21-year-old woman from San Pablo, Calif., was found Feb. 14 off of a Forest Service arterial road in the national forest’s Buckhorn Wilderness south of Blyn, Washington, according to the sheriff’s office. Detectives determined that she had “succumbed to injuries as a result of homicidal violence,” the Clallam County Sheriff’s Office said in a statement Thursday.

Investigators confirmed the woman’s identity using fingerprints, police said.

They also learned that the victim had been in an intimate relationship with the suspect and that he had picked up the victim from Seattle-Tacoma International Airport on Feb. 10, the sheriff’s office said. Sheriff’s detectives placed the suspect under surveillance and arrested him on Wednesday.

The man is not being named at this time because he has not yet been charged in connection with the death.