Whether Perkin News Today

And significant number seen crimes committed on facebook. warning, some of this is tough to watch. >> reporter: june last year in chicago. antonio perkins on facebook live drinking tequila, last thing he does before hes shot dead. perkins falls to the ground. camera does too but keeps recording. >> oh, my god. oh, my god. >> police look into whether perkins killer used facebook live to pinpoint his location but a suspect is never identified. in norfolk, virginia, a month after that, three men ha...