He has admitted sending the email, but said he didn't think "the authorities were so stupid that they would believe anything. But apparently they are."
He said he "couldn't help the US authorities' paranoid reaction".
What did he want to accomplish?! If he didn't think they would be stupid enough to believe him then why did he tell them anything? The FBI would only do something, and the son in law would therefore only find out, if they believed him. What a maroon!