Two people are accused of trying to bring narcotics into the Wabash Valley Correctional Facility.
Taylor Twyman and Tyler Miller arrived at WVCF in Carlisle on Sunday to visit an offender.
Authorities intercepted them when they suspected the pair may be trafficking narcotics into the facility.
Investigators interviewed them and then searched their vehicle and phone.
Authorities say during the interview, Twyman admitted to a trafficking scheme and surrendered narcotics that she had with her.
Twyman has been charged with Trafficking with an Inmate, Possession of a Controlled Substance and Possession of Marijuana.
Miller was charged with Conspiracy to Traffic with an Inmate.
Both of them were booked into the Sullivan County Jail.