monroe county sheriff 's office confirmed on saturday the remains found on a 13-acre private property near a heavily-wooded site close to train tracks are those of chelsea bruck .
the medical examiner 's office in wayne county used dental records to confirm the body is bruck 's that chelsea bruck -lrb- left -rrb- in frenchtown township , michigan , while dressed as poison ivy -lrb- right -rrb- .
bruck , of maybee , disappeared after attending the party in newport on october 26 , about 15 miles away from where the body was discovered in ash township .