Helpful support is usually logistical support
Families can make a real difference by gathering court paperwork, bond information, contact details, treatment records, employment information, and a clean timeline of events.
This kind of information can be useful early. It is more valuable than debating facts with police, witnesses, or people online.
Do not turn urgency into noise
Well-meaning relatives sometimes contact many offices at once, repeat unverified details, or try to negotiate informally. That often creates confusion instead of progress.
One organized point of contact, one running document of facts, and one clear set of questions is usually the better approach.