Officials in St. Johns, Florida have arrested a 14-year-old boy for the murder of a 13-year-old Florida girl who was reported missing on Sunday.

The body of 13-year-old Tristyn Bailey was discovered in a wooded area in St. Johns County on Monday around 1:15 a.m.

While many details have not been released about the incident, police reported that they have arrested a classmate of the deceased named Aiden Fucci.

Authorities say at this time, they believe Fucci was the only one involved in Bailey’s death.

The investigation is still ongoing.