The benefit of having a father as an attorney is I have connections. He said when the FBI shows up don't tell them anything and give them his card and tell them if they need to talk they should go through him.
Borrell has pled not guilty. According to the Washington Post, the FBI says that Borrell bragged about the hacking on Twitter, and agent David Johnson commented, “That didn’t hurt the investigation, of course, when people make comments like that.”
Ars Technica has details.