Took the fort in the middle of the Night without warning or explanation after having led the Confederates to believe that all such works would soon be turned over to them.
Basically being lying dicks, so nobody trusted them anymore.
Oh, and Anderson also informed them that he would fire on the Confederate batteries if they engaged those ships which were sent to attack them.
For someone who has said on more than one occasion he’s sick and tired of going around and around with me you sure do ping me a lot.