Serial Killers Ranked by Kills - Worst Serial Killers

In this video, we made a list of Serial Killers Ranked by Kills - Worst Serial Killers sources : 👋 Hey! Welcome to Pure Data Comparison How I create a video 💻 : First of all I come up with a topic. Then I collect the information from statistical sites, forums, discussions in various communities . Then by using softwares like PowerPoint , Photoshop , Filmura and ..... I Create the video . 😘 Don't forget to subscribe to my channel for interesting comparison videos about different countries around the world ! ⚠ All the videos are created by myself. Copying without permission - prohibited ✔ Note:- My videos are for entertainment purposes only. This video based on various relevant research and shown Data,Numbers,Facts,Images might not be up to date, valid or in any specific order. For Copyright Issues Please contact me via email : mahdimirdady@