weird feeling at the house today

Went to the house today to load the other 2 cars and parts. My wifes 3rd party was my sons girlfriend that my wife cant stand, mine was a friend. both really insenstive, jokeing around ,laughing and carring on, just ablievious. We loaded the cars and as we did (1 hour) I looked around, everything in its place but the feeling of like someone had died, plants dead, things  and leave blown around nothing straighten out just out of order but in order. Foot steps made in the dust in the shop were ours, and going in, because i let in a hurry, it was as we left, just like we left it . (may 10th) nothing touched. I found out from the neighbor that nothing has been going on, except she has been parking her car behind the gates, Now what weird, she never has in 18 years. So the feeling I am getting is she is paranoid and loosing it. I really do not know what to think and I am fearful of what I will find when the tens days are up and she has to leave. So I am making my plan,
1 police ecorted and have them go into the house  first and back yard
2 video tape everything
3 have my son somewhere else
4 secure the house , different locks etc
5 tell the neighbor s I am back and to keep an eye out
I am having really teriable dreams about this with different serinos playing out  and cant seem to break or get out of that dream.
It did hit me hard today  again as I was in our space, the space we built together with love and built our family, so It was very sad,very