The poster thought they were being spied on by law enforcement, and that a drone was entering their house and moving around the iPad they had set up to monitor the premises (!). They posted some of the clips to YouTube but none of the commenters saw anything suspicious.
It turned out to be a paranoid delusion caused by a combination of stress, sleep deprivation and Adderall, which is the exact situation in this thread. I would highly encourage the OP to read both the original post and the followup.