Halo reach .. head shot not working on swat?

is this lag or i shoot bad… there is example… ( better use full screen)

https://gamerdvr.com/gamer/jigglypugnhl/video/72917544
jump to 0:20

https://gamerdvr.com/gamer/jigglypugnhl/video/72917594
0:22- 0:23

https://gamerdvr.com/gamer/jigglypugnhl/video/72917425
0:14

https://gamerdvr.com/gamer/jigglypugnhl/video/72917423
0:09

https://gamerdvr.com/gamer/jigglypugnhl/video/72862664
0:17

https://gamerdvr.com/gamer/jigglypugnhl/video/72862641

team sniper , there no way he is not death after i shot him twice.


honesly , they just make it really accurate or what? its frustrating to dead while you feel you should get the kill…