Ballistic experts on Friday fired up to 139 shots at Parkland's Marjory Stoneman Douglas High School in Florida in a reenactment of the 2018 massacre that claimed the lives of 17 people. The reenactment was part of a lawsuit that accuses a Broward County deputy who was assigned to the school of failing to protect the students. Manuel Bojorquez has details. #parkland #shooting #florida "CBS Evening News with Norah O'Donnell" delivers the latest news and original reporting, and goes beyond the headlines with context and depth. Catch the "CBS Evening News" weeknights at 6:30 p.m. ET on the CBS Television Network and at 10 p.m. ET on the CBS News app. Subscribe to the "CBS Evening News" YouTube channel: bit.ly/1S7Dhik Watch full episodes of "CBS Evening News": cbsn.ws/23XekKA Follow "CBS Evening News" on Instagram: bit.ly/1T8icTO Like "CBS Evening News" on Facebook: on.fb.me/1KxYobb Follow "CBS Evening News" on Twitter: bit.ly/1O3dTTe Download the...