SUMMERSET, S.D. — A Montana woman has been charged with murder in the death of a Summerset woman.

Court documents say 38-year-old Stormy Gayle Marsh is accused of killing 49-year-old Phyllis Mastin who was found dead in her mobile home early Wednesday.

KOTA-TV ( ) reports the court records say Mastin had been stabbed several times and that a knife and gun were found under her body. Police say they found Marsh at a Rapid City motel with the victim’s car and cell phone.

Marsh told investigators that Mastin’s ex-boyfriend had been in the mobile home, that the three of them got into a physical fight and that Mastin told her to leave. It was not immediately clear if Marsh had a defense attorney.

Information from: KOTA-TV,

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