On todsay's news, a police spokesman reported officers were summoned to a burglary. Upon arriving, officers hesitated to enter since "the perpetrators might stll be on the premise."
Why do people think "premises" is plural and requires "premise" for a single unit?
In the same way people often think the singular of species is specie. Wrong, wrong, wrong! Species, the biological category, is both singular and plural. Specie refers to coined money.