 At least two signatories, Morell and former CIA Inspector David Buckley, were on the CIA's payroll as contractors. In addition, some of the signatories to the Hunter Biden statement also had special green card access to the CIA at the same time that the statement's publication, allowing them to gain entry to the secure CIA facility. So they knew it. All they had to do was look and see, is it real or not? But no, they chose to sign it because they didn't care.