cnn analysis of a new, never before made public angle of the hallway security camera. shows that pargas never set foot back inside of this hallway. in interviews with investigators obtained by cnn, pargas say that he didn t believe that he was in charge. and that his hospital officers from the uvalde state police were only there to assist the school police. until the texas department of public safety took over. the texas department of public safety which plays several of its officers on the scene under further investigation, labeled it volatile school police chief pete arredondo, as they on-site director. he was fired in on this, and maintains that he wasn t in charge either. cnn reached pargas by phone, he said, to defend himself. afrain interviews with rangers, he was aske had no ide but pargahe kne called and said tha victims. nn could ve don abou she mode joins us now. shthis is such incredible work you ve done. you spoke with the families about what you found. i can t imagine