We know more about last weekend’s murder-suicide in York County. The Coroner’s Office says 36-year-old Erin Walker was shot to death Saturday evening after a verbal altercation with her neighbor, 59-year-old Daniel Berry. Police say it happened along the 400 block of Hill Street. Berry then took his own life. No one else was hurt. Walker was a social studies teacher at Central York High School for the last 13-years. The school district says counselors are available for students and staff. The last day for classes is this Thursday. Walker leaves behind a 3-year-old daughter.