I think it's clear that the government has recognized that we want to be able to figure out if they've left or not. That's why the work we're doing under the perimeter vision with the United States is about creating an entry–exit system.
Evidence of meeting #29 for Public Safety and National Security in the 41st Parliament, 1st session. (The original version is on Parliament’s site, as are the minutes.) The winning word was offender.
A recording is available from Parliament.