Thursday, July 24, 2008 -- An 18 year old El Paso woman was arrested this afternoon for stabbing her 22 year old ex-boyfriend.  Police tell us Priscilla Gonzalez went to Abraham Ontiveros' apartment Wednesday evening.  They say he was having a get-together with some friends and his new girlfriend.  Ontiveros left and later returned when everyone left.  Investigators say Ontiveros and Gonzalez got into an argument.  She then snatched a pocket knife from his hand and managed to stab him in the neck and several other parts.  He died at the scene. Gonzalez is being charged with one count of murder.