Per the affidavit:
SOI1 testified that SOI2, SOI3, SG and KP1 went to the house.
SOI1 stayed at TCP2 to monitor radio.
SOI3 dumped AK47 found at house (probably murder weapon)
SOI2 and SOI3 testified SG murdered, SG and KP1 raped.
SOI4 heard rumors(?) and asked SOI1 "Who Did it" SOI1 disclosed to SOI4.
SOI5 was at TCP when initial report was made to military.
SOI2 went to the house to investigate with others.
Other:
Four in custody in Iraq (Probably SOI1, SOI2, SOI3, KP1)
SG arrested in US.
Yep. No one has confessed to rape or murder yet.