Police arrested Monique Weldon Saturday night and charged her with the murder of 37-year-old Johnny Lee Coon, Sr.
Detectives say the two were seen arguing early this morning just before the stabbing.
It happened near the corner of Glenville Avenue and Church Drive in Rand, W.Va. at around 3:30 a.m. Saturday.
Coon, Sr., called police and was rushed to CAMC, where he later died.
Detectives say the relationship between the two is not known.
Weldon is being held at the South Central Regional Jail.