100 wch the assassination

I had just bin swimming and my hair was all wet. i was in a rush to get to my friends dance recitel. we final got there. once we were an hour through gas started to fill the auditorium. The green gas just kept coming then all of a sudone people started droping to the floor. I emediatly jumped up and broke out into a sprint, i held my breath till i got outside. I peaked through one of the windows. the people inside had started rroting. a yellowish liquid started seeping out of the bodies. Once the police arrived they told me this was most likely caused by...