The 23 May 2008 video says about itself:
Grade 10 satirical video project that mocks the famous Dick Cheney Shooting incident….Dick Cheney Incident Shooting Hunting Friend Quail. By Allan and Paul.
See also here.
This February 2016 video is called Dick Cheney Shot A Texas Lawyer 10 Years Ago; Still No Apology.
Dick Cheney’s wife Lynn: here.