What happens next?

How to deal with squatters in your neighborhood
Talk to your neighbors.
Other people might have seen something. Visit your neighbors and ask if they know anything about the situation.

Options are:
A). You can say, " have you noticed anything suspicious in our neighborhood? What's going on with the neighbors? " Avoid the hoppers. Nobody knows who owns property, especially not the hoppers, at the time..
B). Check whether they know where the owner is and how to contact them. By talking to your neighbors, you also spread the word that someone might be in the house illegally..
C). See if they are near squatters and ask about how they were affected. For example, you might have noticed that a few of them were struck by lightning..
D). Wait for a chance to speak to them, and then ask if they'd like to talk to you one-on-one. Alternately, find a friend who lives near your house and ask to meet him or her in a casual setting..
B).