He was planning to enter while no one was home. but my main concern is that his name is not on the deed jointly. He has receipts for everything he is removing, showing that they were purchased before the marriage began.
The police was going to be called for safety incase there was any one there causing violence.
Does not matter whose name is on the deed. That will become an issue during the divorce (i.e. was home bought before marriage, and if so, how much interest in it does he have). Otherwise, he is allowed to enter in a peaceful manner.