Idaho nurse associated with Kelsey Berreth's fiancé to appear in court on Friday

TWIN FALLS, Idaho (KDVR) -- An Idaho nurse is expected to appear in a Colorado courtroom this week in connection to disappearance and suspected death of Colorado mother Kelsey Berreth, FOX31 has learned.

According to the 4th Judicial Attorney's Office, Krystal Lee, 32, faces one count of Tampering with Physical Evidence, a Class 6 Felony.

Lee is expected to appear in Teller County court on Friday morning at 8:30 a.m. She is a nurse from St. Luke's Magic Valley Medical Center in Twin Falls, Idaho who was allegedly an acquaintance of Patrick Frazee, Berreth's fiancé.

Authorities started investigating her after Berreth's disappearance. Berreth's last cellphone signal was traced to a tower about 35 miles south of Twin Falls three days after Thanksgiving.

Frazee, 32, is accused of killing Berreth and has been charged with first-degree murder, first-degree felony murder and three counts of solicitation to commit first-degree murder.