I need help deciphering these dreams.

Last week I had two gory dreams:

The first was just me carrying a blue bucket and in it was the dismembered remains of my BIL (who I love very dearly and my DH is very close to...its his older and only brother).

The second was more graphic and longer. I found myself in this strange house with my younger sister. We were creeped out and wanted to leave (not sure why or how we got there) and we saw this thing that looked like a wig on the ground in the kitchen (the kitchen was brown and orange and very 70's style). On closer inspection the wig was actually a scalp, and then we saw the rest of the body, which was all cut up. We were terrified and tried to run away, but we were scared we would be blamed because we had been in the house. So we tried to jump the back fence, but we were stopped by the neighbourhood cats, who kept leaping at us and biting us. They were all black.
So we went back inside and called my family who eventually came, and it was daylight. My mum said we should just ignore the body and pretend nothing had happened and went about making lunch and serving it outside...we were paranoid though that people would hear us in the house and dob us in...

And then the dream ends, with us eating lunch in the back yard...weird.

A couple of things. Last week I was going to see my family and DH's brother, so these people were on my mind. But the goryness I don't understand....why cut up? And what's with the cats?

Oh and I don't watch CSI or any of those shows, so it wasn't triggered by a murder show.