A third student at Maryville High School has been charged in a teen-sex incident January 8th.

Court records show that Jordan Zech, 17, of Maryville was charged January 13 with sexual exploitation of a minor, a class B felony.

Zech is free on $10,000 bond.

Officials accuse Zech of using his cell phone to record another suspect prior to having sex kissing the 14-year-old victim while both were half naked

Two other people, including one minor, are charged with sexual assault and child endanderment for the incident. Matthew Barnett, 17, was charged last week. Court documents indicate Barnett admitted have intercourse with the girl, and says he then left her passed out in the yard of her home. Officials say she was there for a long time in temperatures of about 30 degrees.

A third suspect, age 15, was taken into custody at the same time as Barnett. His case is being handled confidentially within the juvenile court system.

Arraignment for Zech has not yet been scheduled. Barnett is scheduled to be arraigned on Feb. 14.