Reply #16: "ethnic cleansers" in Bosnia did the same

[EdGy]

They took videos and photos of their attacks on innocent civilians, etc.

For the same reasons that these US soldiers did:

a sense of impunity; a sense that they were doing the right thing becaues the enemy had been so dehumanized; "war trophies" to bring back home, the way US soldiers brought back from WWII the severed ears of Japanese prisoners and dead...