The report accepts the benefit of cameras, but says that 'staff should be allowed some respite from constant surveillance'.
Times, Sunday Times
The towing hawsers also had to be kept under constant surveillance.
Times, Sunday Times
Windows onto the corridor make sure you're under constant surveillance.
The Sun
The released prisoners will be under constant vigilance and constant surveillance.
Times, Sunday Times
She maintained her 'constant surveillance' for nearly eight weeks.
Times, Sunday Times