Twitter | Search | |
Malachy Browne
1/ Here the steps we took and tools we used for our investigation mapping how the Las Vegas shooting unfolded
How investigative audiovisual reporting cut through the confusion left by the deadly mass shooting in Las Vegas this month.
The New York Times The New York Times @nytimes
Reply Retweet Like More
Malachy Browne Oct 23
Replying to @Storyful @APVideoHub
2/ First, search across social platforms for eyewitness videos of that night. Also use newswires and . We gathered 40.
Reply Retweet Like
Malachy Browne Oct 23
3/ Include police bodycam video provided by and police and fire scanner audio provided by
Reply Retweet Like
Malachy Browne Oct 23
4/ Organize and annotate the footage by location: front, rear and wings of the festival venue, on the streets outside, at the Mandalay Hotel
Reply Retweet Like
Malachy Browne Oct 23
5/ Together, the footage conveyed the horror and brutality of the assault from multiple locations. But the chaos it showed needed structure.
Reply Retweet Like
Malachy Browne Oct 23
6/ Annotated the bursts as I watched. The length, interval, pattern. Awful as they were, they became a scaffolding to build a timeline
Reply Retweet Like
Malachy Browne Oct 23
7/ Verify burst patterns by lining up the burst audio waveforms. Note the bullet spikes, patterns and pauses in these different videos
Reply Retweet Like
Malachy Browne Oct 23
8/ Repeat this process and create a complete timeline of the assault using 30+ videos from first bullet to final volley
Reply Retweet Like
Malachy Browne Oct 23
9/ This proved there were 12 main bursts of fire outward from the hotel, some relentless in frequency, and three intervals of over 1 minute
Reply Retweet Like
Malachy Browne Oct 23
10/ Verify video locations, e.g. this filmed in taxi at Mandalay Hotel. Clues are street lights by street entrance and distant Luxor Obelisk
Reply Retweet Like
Malachy Browne Oct 23
11/ This particular video, taken right below the gunman, filmed loud bursts of fire and a dull burst (40 secs in)
Reply Retweet Like
Malachy Browne Oct 23
12/ Because we had a full timeline, we noticed this as an outlier. No camera filming at the festival during this time picked it up.
Reply Retweet Like
Malachy Browne Oct 23
13/ This & analysis by indicated shots fired inside. Possibly at sec. officer & hotel engineer taking cover in hallway
Reply Retweet Like
Malachy Browne Oct 23
14/ That scaffolding of a multi-location video timeline gave us a detailed picture of what was happening around the venue between bursts
Reply Retweet Like
Malachy Browne Oct 23
15/ Moving on: By marking the time displayed in clocks at several points through the footage, we could approximate WHEN the firing began
Reply Retweet Like
Jake Godin Oct 23
Exact spot annotated with trusty colored rectangles:
Reply Retweet Like
Malachy Browne Oct 23
Replying to @malachybrowne
16/ Some people seeking the story link: You may also like these: &
Reply Retweet Like
Helen O'Rahilly Oct 23
Replying to @malachybrowne
Excellent, compelling work. Thanks.
Reply Retweet Like
Malachy Browne Oct 23
Replying to @malachybrowne
17/ Back to the start time. Eyewitnesses sent me original videos. Installed phone app to extract EXIF data for video start time: HH:MM:SS
Reply Retweet Like
Malachy Browne Oct 23
Replying to @LVMPD
18/ Mark the video times, including vid, on the timeline. Sure, clocks can be off, but 6 of them point to a 3-second starting window
Reply Retweet Like