Baltimore County Police made a quick arrest in the murder of David Donald Magill Jr.
He was stabbed on Yorkway in Dundalk, Monday evening.
Shannon Nicole Gelvar,36, of the 3100 block of Yorkway, has been charged with first degree murder.
The investigation shows an argument broke out between Gelvar and Magill the night of the stabbing; the two lived together in the home.
Gelvar is being held at the Baltimore County Detention Center on a no-bail status pending a bail review hearing.