The Blackfeet tribal prosecutor’s office said no human remains have been located in connection with the case.
HaHaax Vielle and Kimberly Higgins appeared in Blackfeet Tribal Court on Wednesday afternoon. On June 3, arrest warrants and charges were filed against them. Their trial is scheduled for Sept. 15
The names of the people arrested have not been released by law enforcement.
Over the past month, conflicting accounts of what happened to Arden Pepion and frustration with how law enforcement has handled her disappearance have become prominent pillars of the case.
A weekend press release from Blackfeet Law Enforcement said about 60 miles of land and river have been covered trying to locate Arden Pepion.
Shanaiha Young Running Crane was last seen on April 10 at her prom at Browning High School.
Blackfeet Law Enforcement Services has posted an alert seeking information on a 15-year-old girl last seen Wednesday.