BUTTE, Mont. (AP) — A former correctional facility nurse convicted of having sex with an inmate has pleaded guilty to trying to threaten a witness.

The Montana Standard reports (http://bit.ly/1fa7f38 ) 45-year-old Tisha Ann Brunell changed her plea Wednesday in Anaconda court on the charge of solicitation to tamper with a witness.

A jury convicted Burnell last month on 48 criminal charges, including multiple counts of sexual intercourse without consent and transferring illegal items.

By law, inmates cannot consent to sex. Brunell had worked at the Sanction, Treatment, Assessment, Revocation and Transition Center in Butte.

Prosecutors say while Brunell called several people before her trial in attempts to intimidate a witness slated to testify.

A sentencing hearing will be held after a presentence investigation is completed for both the witness tampering and original charges.

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