The Massachusetts Bay Transportation Authority (MBTA) reportedly set up a checkpoint at a Boston subway stop on March 28.
The Bay State Examiner blog reports that a “Transit Watch” sign at the checkpoint said that everyone who chose to ride the subway would be "subject to security inspections of their handbags, briefcases and/or other carry-on items."
If a passenger refused to be searched, then he or she could not ride the subway and had to leave the area (public property) or be charged with trespassing.
A Bay State Examiner cameraman shot a video (below) of the sign and the subway, but was reportedly warned by police officers and threatened with arrest for “loitering."
In January 2013, local activists protested the warrantless searches at five subway stations in Boston, noted Examiner.com.
According to the MBTA website, these warrantless searches started back in 2006 and are based "on a random basis through the use of a computer generated sequence of numbers."