The incident happened around 1 p.m. in the Arlington Mill neighborhood, near Columbia Pike.
The victim, who was either a friend or family member of the suspect, suffered a cut to her hand and was transported to Virginia Hospital Center for treatment.
From the Arlington County Police crime report:
MALICIOUS WOUNDING, 160510024, 800 block of S. Greenbrier Street. At approximately 1:00 p.m. on May 10, following a verbal altercation between known subjects, a male subject grabbed the female victim by her hair and held a knife to her neck. The victim suffered a minor laceration to her hand and was transported to Virginia Hospital Center with non-life threatening injuries. Darbin Barrera Corado, 21, of Arlington VA, was charged with malicious wounding and is being held without bond.