Meanwhile , Brennan 's estranged father pays her a visit .
When Booth travels to Baltimore to find the hit man , he gets knocked unconscious and tied up by Kennedy himself , but Kennedy soon flees , leaving Booth relatively unhurt whilst still restrained .
Brennan 's estranged father pays Booth a visit .
When Booth travels to Baltimore to find the hit man , he gets knocked unconscious and tied up by Kennedy himself , but Kennedy soon flees , leaving Booth relatively unhurt whilst still restrained .