I would be inclined to say paranoia but I believe my ex husband has done this and had people get close to my family to come in and get information to try and break up my marriage. One time someone snuck in our house, took a picture of themselves receiving oral sex in my computer room with my camera and didn't bother to delete the picture. This was not a delusion, my husband, mother and father saw the photo. The only reason I can see someone doing this is to make me paranoid it was my husband and end our relationship. It wasn't my husband. I don't put anything past people since you just never know but I'm told when I have thoughts like this that it's just not possible and so I try to go with that since the alternative makes me so much sicker to consider. There are devices you can buy to find bugging devices. If he did this he's a real sicko and deserves to be punished. (((Hugs)))