gating
v.— «Aware of public concern about prisoners committing violent crimes while on mandatory supervision, new legislation was enacted to allow the parole board to detain potentially dangerous offenders—like Leigh—until their sentences expired. The actual process is called a detention hearing. It’s popularly known as “gating.”» —“Anger spurred attacks on Waterloo women, sex offender asserts” by Eugene McCarthy The Record (Kitchener-Waterloo, Ontario, Can.) Dec. 5, 1992. (source: Double-Tongued Dictionary)