Why relatives end up in one case
Conspiracy allegations rest on an alleged agreement, and long investigations naturally sweep in people who live together, share a car, share a phone plan, share an address, or work in the same business. Those connections are easy to document, which is why relatives are frequently named together even when the same document describes their alleged roles very differently. A news report generally reflects only what the government has alleged at the very beginning, before any of it has been tested. It is not a description of what anyone did.
Why one lawyer for two relatives is usually a problem
Co-defendants' interests diverge more often than families expect, even between people who trust each other completely, because what helps one person's position can damage another's. Each person charged normally needs separate counsel for that reason alone. Families should also assume that calls from a detention facility are recorded, and that discussing the case with each other, or through a relative acting as a go-between, produces evidence. Nobody should delete phones, messages, or accounts, since that becomes a separate allegation of its own.
What a family can do first
Get the charging documents and the case numbers instead of relying on the coverage, and find out whether the matter is federal or brought by a state, since the process and the timing differ. Work out who is detained, where, and what the next dates are. Gather employment, housing, and medical records that may matter for release decisions. When a family calls about a case like this, we separate what is alleged against each person before anything else, because the answers rarely line up.