I forgot I had more info. First, it is Sisco, not Cisco. And he's not to be confused with Dallas Morning News photographer Walt Sisco. Also, Paul Sisco arrived in Dallas from Chicago on Sunday, November 24. Cisco was there with cameraman Isodore "Izzy" Bleckman who filmed the shootin
https://www.history-matters.com/archive/jfk/wc/wcvols/wh24/pdf/WH24_CE_2051.pdf