Overview
- Officers conducted a welfare check Monday after Kopetic did not show up for work.
- Responding officers found both victims with gunshot wounds around 11 a.m., according to Suffolk County Police.
- Police said Trefimovich, 68, fatally shot Kopetic, 63, in their Port Jefferson home before killing himself.
- Investigators have not released a motive as the inquiry continues.
- Kopetic led Long Island Adolescent and Family Services for about 25 years, and neighbors told News 12 they were surprised by the violence.