>>9541830 (PB)
For the distances involved, .308 would be more than sufficient. Lehigh Defense makes some highly accurate bullets with amazing terminal ballistics that won't over penetrate. In crowds, it's important not to shoot through three people with all the expansion happening in the final, not-the-target, one. 300 win mag or .338 Lapua are excellent long distance calibers … but they were setting up just a block from the capitol.
Looks heavy.
What's with the red around his eyes? Amphetamine?