In Colombia, as elsewhere, the most valuable Telegram groups are never publicized on Google. They are shared by trusted contacts.
A: No, but you can get infected if you download executable files (.exe, .apk) or click on phishing links sent by other members. enlaces de grupos de telegram colombia
Avoid groups with names like "CARTEL DE OCCIDENTE" or anything drug-related. Those are honeypots for authorities or criminals. In Colombia, as elsewhere, the most valuable Telegram