Lunchbox overheard a conversation between Bobby and the show's security guy Tim talking about the FBI and he's freaking out.
All he heard from Tim was "yes, it was the FBI looking for him." Lunchbox heard that comment and he wasn't going to say anything, but it was really weighing on him. Lunchbox started to spiral thinking Bobby was in trouble or the show members needed to start looking for other jobs.
Bobby said it's none of that, and he can't say too much without too many specifics, but there was someone posing as him online and they scammed a person out of thousands of dollars. The FBI called to say Bobby was being represented in a way that wasn't him, and then someone fell for it. The FBI asked Bobby if he wanted them to try and track the scammer down, which he said "ok' to, but knows they likely won't since it's probably someone in a foreign country. He used this moment to remind people not to fall for anyone pretending to be him as he does not have a "separate account" to chat with fans, and @mrbobbybones with a blue checkmark is the only account.
Lunchbox wasn't happy for the person who fell for the scam, but he is happy Bobby isn't in trouble with the law.