Please help me interpret my dream?

ok so i had a dream that there were like a lot of people at my house but it didnt look like my house it looked more like a mall. and like we were watching the news and apparently there was this serial killer that was coming to town and they were having a countdown for it and he was supposed to be coming today. and he came and everyone was really scared and we didnt know what to do he was trying to kill all of us and my mom took me in her car and we drove somewhere to try and get away. please help!