In the network tab, if you select to see the headers tab, you can see this information:
Request URL:http://api.massrelevance.com/usadigitalapps/mr-robot-tag-mrrobot.json?limit=5&since_id=1039088770827352555_891624285
Here, you can see it's a request to a JSON file. :D
EDIT: Try going to this URL when the video is not playing in the browser (for some reason, when I had the page loaded this was returning as blank):
http://api.massrelevance.com/usadigitalapps/mr-robot-tag-mrrobot.json?limit=5&since_id=1039263408306586885_20082880
That was the request mine was making. In there, you can find a video URL:
https://scontent.cdninstagram.com/hphotos-xaf1/t50.2886-16/11765169_875397039210031_1586195986_n.mp4
Remove the
and you'll see the video :D
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