Juan Rodriguez was found guilty of sexual intercourse without consent on Wednesday.
According to Cascade County Attorney Josh Racki, Rodriguez called the victim a liar after the verdict was read.
Rodriguez faced charges for an incident that occurred in 2002.
In 2014, detectives received a call about a post on social media revealing what had happened.
According to the victim, Rodriguez was giving her a ride home, when he pulled over on a dirt road and raped her. The victim was 15 years old at the time.
Court documents state that Rodriguez made several attempts to contact the victim after the incident occurred.
The trial began on Monday. Sentencing is scheduled for January 29th.
According to Montana Code, the statute of limitations for felony charges (such as sexual intercourse without consent) can extend to 10 years after the victim has reached the age of 18.
45-1-205. General time limitations. (1) (a) A prosecution for deliberate, mitigated, or negligent homicide may be commenced at any time. (b) Except as provided in subsection (9), a prosecution for a felony offense under 45-5-502, 45-5-503, or 45-5-507(4) or (5) may be commenced within 10 years after it is committed, except that it may be commenced within 10 years after the victim reaches 18 years of age if the victim was less than 18 years of age at the time that the offense occurred. A prosecution for a misdemeanor offense under those provisions may be commenced within 1 year after the offense is committed, except that it may be commenced within 5 years after the victim reaches 18 years of age if the victim was less than 18 years of age at the time that the offense occurred.