They've got muck; we've got rakes. TPM Muckraker
The video, published by Wikileaks in April, shows a military helicopter firing on a group of civilians, killing several of them, including two journalists from Reuters.
Manning was arrested in April, according to Wired, after bragging online about leaking the video and other classified information to WikiLeaks. The other information included an Army document that evaluated WikiLeaks as a possible security threat and 260,000 classified State Department cables.
Read the full charge document, via Wired, below: