How do you beat casualty?

well it depends what level your on..just find little things to click on so they can have an effect and kill people and if this didnt help u can go online or on youtube and look up the walk...

First, click the guy on the roof (left). Then the needle on the right. When the man who enters the elevator goes into the top room (2nd) floor, when he starts to talk and you can see the word bubble...

First, click the guy on the roof (left). Then the needle on the right. When the man who enters the elevator goes into the top room (2nd) floor, when he starts to talk and you can see the word bubble...