(Brookville, IN)--The Brookville woman who shot and killed her own brother has been sentenced to 17 ½ years in prison.  The sentence for Crystal Pence comes after she changed her plea to guilty of voluntary manslaughter.  Nearly two years ago, Pence shot and killed her brother, 32-year-old Ronald Pence.  She told investigators then that she did it because he asked her to do it.  Crystal Pence spoke at the sentencing and said that her brother had been struggling since their father committed suicide a year before.