Krystal Lee, 32, is believed to have been having an affair with Patrick Frazee who has been charged with Berreth's murder even though her body has not been found

A Female nurse who is accused of being tied to Patrick Frazee, the Colorado man charged with murder in the suspected death of his fiancee, Kelsey Berreth.

Divorced mother-of-two Krystal Lee is being investigated over her role in the mystery of the disappearance of Kelsey Berreth.

Accordint to dailymail reports,Krystal Lee, 32, is believed to have been having an affair with Patrick Frazee who has been charged with Berreth's murder even though her body has not been found.

Lee, who lives in Twin Falls, Idaho, has not been formally identified by police as the woman they are investigating, but sources confirm she is the woman involved.

“A family friend confirmed to KMVT Friday that the FBI is investigating Krystal (Kenney) Lee in connection to missing Colorado woman Kelsey Berreth,” the KMVT report alleged.

On December 31, 2018, Frazee was charged “with two counts of murder in the first degree and three counts of solicitation to commit murder in the first degree,” according to CNN.

Krystal Lee has an unencumbered license to work as an RN in Idaho, according to licensing records. Her license to practice nursing is scheduled to expire in August 2019.

According to a post on Facebook, Krystal is a former Miss Magic Valley Stampede Queen.