—and explain their role? We don't have the information. You just said that we don't know how often this is happening, that we don't know where it's happening and that we don't know the circumstances. Could those witnesses provide that?
Evidence of meeting #131 for Health in the 42nd Parliament, 1st session. (The original version is on Parliament’s site, as are the minutes.) The winning word was witnesses.
A recording is available from Parliament.