ID markers would be the most consistent system, but unaugmented humans wouldn't have the capacity to collect ID chip data without interfaces, and even salvaging from the cyborgs doesn't seem to give the right level of tech. And non-invasive feed interfaces would get destroyed.

[Fuck it misses the feed and all the ident systems it involves.]

Additional high likelihood of harm happening between two compromised convoy members stuck in an altered state with increased aggression.