Security removed homeless man from Nest weeks before AMS created new expulsion policy Words by Jack Hauen and Zak Vescera, Photos by Peter Siemens · 7 years, 4 months ago Lim said UBC Campus Security, which has patrolled the Nest since the AMS cut their security service in 2016, told her they had removed the man before, and they had the situation under control. But Lim said she wasn’t worried.