A Mount Vernon man has been arrested in the fatal stabbing of his girlfriend at her East Fourth Street apartment.
Police say Miquan Stevens, 25, killed Markisha Glover, his 22-year-old girlfriend.
Investigators say that Stevens killed Glover after an argument Sunday.
Stevens is from White Plains, but had been staying in Glover's apartment.
Investigators say they arrived to find Stevens outside and bloodied. Glover was inside, already dead.