Overview

• Sean O'Neill, 54, a former NYPD detective, shot his wife, Arlene O'Neill, 47, multiple times before committing suicide at their Yonkers home.
• The couple's three sons, aged 15, 13, and 11, were present during the incident but were not physically harmed.
• Arlene O'Neill was a dedicated fifth-grade teacher at Anne Hutchinson School in the Eastchester Union Free School District.
• The Eastchester School District has mobilized crisis teams to support students and staff in the wake of the tragedy.
• A GoFundMe page has been set up to support the children's education and extracurricular activities, raising nearly $18,000 so far.