with scott pelley. o donnell: good evening. scott is off tonight. i m norah o donnell. today, we heard chilling accounts of the terror in an orlando nightclub. the orange county sheriff s office released recordings of frantic calls to 911 on that june night when a gunman opened fire, killing 49 people. it was the deadliest mass shooting in u.s. history. mark strassmann, who covered the massacre, has the just-released audio. . ( gunfire ) reporter: at 2:03 a.m., 911 callers began reporting a massacre in progress. . let s go! right here! reporter: right after last call, a gunman with a . he s coming in. reporter: this is the first release of 911 recordings from people who were actually inside the club when the massacre began. let s go! reporter: police body camera video shows the chaos as first responders arrived. 911 calls also kept coming, some from relatives of people still trapped inside. as they hid in bathrooms, like those in this cell phone video, they te
this is the cbs evening news with scott pelley. o donnell: good evening. scott is off tonight. i m norah o donnell. today, we heard chilling accounts of the terror in an orlando nightclub. the orange county sheriff s office released recordings of frantic calls to 911 on that june night when a gunman opened fire, killing 49 people. it was the deadliest mass shooting in u.s. history. mark strassmann, who covered the massacre, has the audio. ( gunfire ) reporter: at 2:03 a.m., 911 callers began reporting a massacre in progress. let s go! right here! reporter: right after last semiautomatic rifle roamed through the nightclub. he s coming in. reporter: this is the first release of 911 recordings from people who were actually inside the club when the the massacre began. let s go! let s go! reporter: police body camera video shows the chaos as first responders arrived. 911 calls also kept coming, some from relatives of people still trapped inside. as they hid i
this is the cbs evening news with scott pelley. o donnell: good evening. scott is off tonight. i m norah o donnell. today, we heard chilling accounts of the terror in an orlando nightclub. the orange county sheriff s office released recordings of frantic calls to 911 on that june night when a gunman opened fire, killing 49 people. it was the deadliest mass shooting in u.s. history. mark strassmann, who covered the massacre, has the just-released audio. ( gunfire ) reporter: at 2:03 a.m., 911 callers began reporting a massacre in progress. let s go! right here! reporter: right after last call, a gunman with a semiautomatic rifle roamed through the nightclub. he s coming in. reporter: this is the first release of 911 recordings from people who were actually inside the club when the the massacre began. let s go! let s go! reporter: police body camera video shows the chaos as first responders arrived. 911 calls also kept coming, some from relatives of people
this is the cbs evening news with scott pelley. o donnell: good evening. scott is off tonight. i m norah o donnell. today, we heard chilling accounts of the terror in an orlando nightclub. the orange county sheriff s office released recordings of frantic calls to 911 on that june night when a gunman opened fire, killing 49 people. it was the deadliest mass shooting in u.s. history. mark strassmann, who covered the massacre, has the audio. ( gunfire ) reporter: at 2:03 a.m., 911 callers began reporting a massacre in progress. let s go! right here! reporter: right after last semiautomatic rifle roamed through the nightclub. he s coming in. reporter: this is the first release of 911 recordings from people who were actually inside the club when the the massacre began. let s go! let s go! reporter: police body camera video shows the chaos as first responders arrived. 911 calls also kept coming, some from relatives of people still trapped inside. as they hid i
this is the cbs evening news th scott pelle o donnell: good eveni ng.t is off tonight. i m norah o donnell. today, we heard chilling accounts of the terror in an orlando nightclub. the orae county sriff s office released recordings of franticalls to 911 on that june night when a gunman opened fire, killing 49 people. it was the deadliestass shooting in u.s.istory. mark strassmann, who covered the massacre, has the audio. ( gunfire ) reporter: at 2:03 a.m., 911 callers began reporting a massacre in progress. right here! reporter: right after last semiautomatic rifle roamed through the nightclub. he s coming in. reporter: this is the first release of 911 recordings from people who were actually inside the club when th the massacre began. let s go! let s go! reporter: police body camera video shows the chaos as first responders arrived. 911 calls also kept coming, some from relatives of people still trapped inside. as they hid in bathrooms, like those in this c