 Complete the following phrase:  While the school was in lockdown, people at many locations found it difficult to shelter in place, as few of the doors had locks for events of this nature. As a result, some students resorted to creative mechanisms to keep the doors closed. Scott Waugh, the schools executive vice-chancellor and provost, said the University will review its active-shooter protocols. The issue was previously brought up during deadly mass shootings at Virginia Tech and 