upper midwest. in the northwest seattle getting slammed with snow. then portland. moves out pretty quickly. four to eight inches expected in the emerald city. that is debilitating and there s more snow coming for the northwest later in the weekend. david? rob, thank you. there are new developments tonight about the missing mom from colorado. she was last seen on that surveillance on thanksgiving. her fiance already charged with murder. and tonight now a nurse has offered her own confession. what she admitted to today. abc s clayton sandell is in the courtroom. reporter: the mystery woman at the center of the kelsey berreth murder case tonight making a deal with prosecutors. krystal lee kenney pleading guilty to helping berreth s fiance patrick frazee get rid of evidence. i learned patrick frazee had committed a homicide. i moved the victim s cell phone with an intent to impair the phone s availability in the investigation. reporter: multiple sources say kenney and frazee were
reporter: frazee now charged with murdering berreth last seen thanksgiving day. her parents say they re grateful to prosecutors for today s plea deal. they want every wrongdoer involved with this case to be brought to justice. reporter: kenney was free to go today, but she could eventually be sentenced to jail time. and as part of her plea deal, she agrees to testify against patrick frazee in his murder trial. he s not entered a plea. david? clayton, thank you. next to the political crisis in virginia. tonight with the governor initially the one under fire, a new signal from him as the lieutenant governor faces now a second allegation of sexual assault. abc s tom llamas is just back from virginia. reporter: the week began with demands that virginia governor ralph northam resign after admitting he once wore blackface. it ends with calls for virginia s second in command to step down as well. we ll have our say. i m confident in the truth. thank you so much. reporter: lieu