March 5, 2012 6:40 pm Muslims at Rally: NYPD Surveillance Keeps Us Safe The NYPD’s controversial surveillance of Muslim groups is getting support from a prominent Muslim-American group. Katherine Creag reports. Local 14:23 NYPD arrests around 100 protesters at Columbia University 29:11 NYPD moves in on protesters at Columbia University making dozens of arrests 1:45 NYPD enters Columbia University in riot gear to clear protest 3:24 Mayor Adams and the NYPD urge protesters to leave Columbia University 18:33 NYC Mayor Eric Adams says Columbia University protesters include outside actors