CNN Anderson Cooper 360 April 10, 2013 00:08:00
The stretcher and trying to stop the bleeding. >> everyone just seemed to panic and shock, like i was wondering what the heck was going on. >> joining me now are two witnesses to the stabbing rampage who got involved amid the chaos in different ways. steven mehta actually helped to chase down and tackle the suspect. cassie is a nursing student who rushed to help some of the victims. they join me now live from texas. it's amazing that both of you got involved, so many people run away from these kind of things. you really just went toward and did what you could. cassie, what was the first sign t...