Due to Munguia's position as a coach, investigators are concerned he may have had inappropriate contact with other children.
FRESNO COUNTY, Calif. (KFSN) -- A co-ed track and field coach at Riverdale High School has been arrested on charges of arranging to meet a minor for sexual purposes.
Authorities believe there may be more victims.
A Fresno County Sheriff's School Resource Deputy assigned to the school arrested 31-year-old Martin Munguia of Lemoore.
He also works as a computer technician for the district.
The investigation began on Wednesday when the deputy became aware of alleged digital messages between Munguia and a teenage student.
The messages have been described as "inappropriate and sexual in nature."
Munguia has been placed on paid administrative leave.
Due to Munguia's position as a coach, investigators are concerned he may have had inappropriate contact with other children.
If you have any information about this case or other victims, call the Fresno County Sheriff's office.