Students hold candle vigil in memory to Purdue shooting victim./Purdue University

In a shocking revelation, it has come to light that even as the gunman was on the loose, the teachers at the Purdue University 'not knowing what to do' decided to continue teaching in the 'unlocked' classrooms. The news has shocked the parents.

This was was revealed in a message posted on the Purdue University Facebook page by a parent of one the students, whose identity is being kept anonymous for security and privacy purposes. "My daughter was in an UNLOCKED classroom where the prof said he didnt know what he was supposed to do so he just kept teaching. I am furious," the post stated.

Screenshot of the Purdue fan page.