BBC video of foreign mercenaries in Bosnia

[2RHPZ]

Warning: This video links would contain some materials of war crimes. They were posted on strongly pro-serbian website. I don´t see last three ones from this serie ...

http://rs-icty.org/galerija/video/Strani%20placenici1.mpg
http://rs-icty.org/galerija/video/Strani%20placenici2.mpg
http://rs-icty.org/galerija/video/Strani%20placenici3.mpg
http://rs-icty.org/galerija/video/Strani%20placenici4.mpg
http://rs-icty.org/galerija/video/Strani%20placenici5.mpg

[One?]

Would someone summarize what they are talking about? And how would these apply as war crimes?

thanks.