Man convicted of beating, stabbing and setting fire to a woman and mother he mistakenly thought was his ex-girlfriend

A jury convicted Richard Montano, left, of first-degree murder and arson in the death of Silvia Vaca Abacay, right. (Mug shot from the Fairfax County Police Department; Victim

A jury convicted Richard Montano, left, of first-degree murder and arson in the death of Silvia Vaca Abacay, right. (Mug shot from the Fairfax County Police Department; victim’s photo from her obituary; crime scene screenshot via YouTube screenshot/WUSA)

A Virginia man has been convicted of beating, stabbing and setting fire to a mother of two he mistakenly thought was his ex-girlfriend in whose apartment she had been temporarily staying.

Richard Montano was found guilty on Thursday of first-degree murder and arson in the death of Silvia Vaca Abacay.