Kabhi socha hai aisa kya beet ta hoga un logon ke saath jo bewajah katal krne pr utr aate hain ? Jaaniye Bharat aur duniya bhar ke Sainkdon Serial Killers ke baare mein aur jaaniye ke aakhir aisa kya tha unke mann mein jo unhe logon ko maarne par majboor krta tha. Suniye KukuFM Originals ‘Development of a Serial Killer’ sirf KuKuFM par.