Two of them?
How many people do you know who have TWO Go-Pro cameras - and just happen to have one of them turned on and videotaping other passengers when the plane’s warning horn goes off - and the other one hanging around their neck?
“Two of them?
Yes, two of them. It is so common, they even sell cases made specially to hold two of the cameras. See Amazon:
POV Case 3.0 Large GoPro-Edition Black
by SP Gadgets
Price: $59.90 & FREE Shipping
Two GoPro cams are sometimes used to produce 3-dimensional videos:
HD 3D FPV - 3D Winter - RCExplorer (2 GoPros) (Aerial video) . David Windestål·75 videos
.Uploaded on Feb 25, 2011
Filmed with two GoPro’s mounted on a Tricopter.
Being suspicious of a person having and using 2 GoPro cameras is totally unwarranted, especially flying around a place offering beautiful vistas like the Hawaiian Islands.