A woman has been jailed in the killing of a man whose throat was slashed and penis severed at a Dallas motel, WFAA-TV is reporting.

Police found Cristal Richardson naked and covered in blood Saturday night on a stairway at a Motel 6, the Dallas station says. The victim was found dead inside a third-floor room.

Richardson reportedly said she and the man had been arguing, but it was unclear what the dispute was about WFAA adds.

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Woman in custody for bloody Dallas motel murder