Idaho nurse pleads guilty of tampering with evidence in case of Kelsey Berreth's disappearance

The Idaho nurse suspected of tampering with evidence in the The missing Colorado case, Kelsey Berreth, agreed to plead guilty in court on Friday.

Krystal Jean Lee Kenney, 32, testified in the Teller County Court in Colorado that she would testify against Patrick Frazee, Berreth's fiance, charged with murder.

As part of the plea agreement, Kenney will not participate.

In a prepared statement, Kenney said: "I learned that Patrick Frazee had committed a homicide on November 22 around in Teller County."

"I knew that law enforcement would investigate this crime," she continued in a statement read out loud by the prosecutor at a press conference at the press conference. outcome of the hearing. "I moved the victim's cell phone with the intention of harming the phone's availability during the investigation."

She then added that she "had no rights or authority" to dispose of Berreth's phone or to move it.

Berreth's parents in a statement provided by their attorney said that they "thank the law enforcement and district attorneys for continuing to work diligently on the case and put to the day the facts. "

The 29-year-old mother was last seen on Thanksgiving Day. , shopping with her one-year-old daughter, Kaylee. The police have not yet discovered her body, but think she's dead.

Search warrants were issued at Twin Falls, Idaho, in December, after Berreth's phone was last used on November 25 in Gooding, Idaho, more than 700 km from his home. Law enforcement officials told NBC News.

Frazee was arrested and charged with the murder of Berreth on December 21, shortly after the investigators searched his home. Prosecutors believe that he either killed his child's mother, or died during a robbery committed between September 1 and December 1.

Under Colorado law, if a person dies at a crime, it is the equivalent of a murder, said the prosecutor, Dan May. In December

Frazee told investigators that he had seen Berreth for the last time on November 22, while she had left their daughter with him. The two did not live together. He also stated that their last communication was on 25 November, when she sent him a text message.

Doss Aviation, where Berreth works as a flight instructor, also stated that the last time she heard about her was November 25 – when

Berreth, her mother, Cheryl, did not officially reported his disappearance as December 2. She told NBC's "Today" channel that her daughter had never mentioned her travel plans. She added that during the last phone conversation between Thanksgiving and Thanksgiving, they had discussed a recipe and Christmas.

The couple's daughter stays with Berreth's parents after a court ruled Thursday against her mother's attempt to get custody.

Frazee is not yet in. a plea in the case and should be back in court on February 19th. Since all affidavits in the case against him are sealed, it is therefore difficult to know what evidence the prosecution has against him.

Kenney's sentence will not be pronounced until the trial against Frazee is over, according to court testimony on Friday.