Criminals aren’t just robbing America’s mail carriers. They’re recruiting them.

Late last month, one or more suspects attacked a postal worker at the San Bruno Post Office in California. They weren’t after the employee’s wallet or phone. They wanted the mail.

The thieves made off with four tubs of it, loading them into a silver Lexus before disappearing. Federal authorities are now offering up to $150,000 for information leading to an arrest and conviction. Postal officials warned customers who had recently used the branch or nearby collection boxes to watch their bank and credit card accounts for suspicious activity.

In Chicago, members of a street gang began recruiting postal workers as early as 2017.

Three days earlier, another postal worker had been punched in the face outside a post office in nearby San Leandro. Federal authorities put