PORTSMOUTH — Seacoast Crime Stoppers receives about 1,500 anonymous tips every year and pays out multiple cash rewards.

Old rivalries flared as Pete Sampras and Andre Agassi found themselves on opposite sides of the net at the Hit for Haiti fund-raiser.

Each day, Craig Middle School secretary Beth Gilchrist watches visitor after visitor walk by the glass window of her office. Teachers, students, district employees and parents pass back and forth through the school’s front doors, which are unlocked by a button behind Gilchrist’s desk.