If you want to report someone, you need to make a in-game report.
The video evidence you got can be sent to support: https://support.deadbydaylight.com/hc/en-us/requests/new?ticket_form_id=360000942011
The video evidence you got can be sent to support: https://support.deadbydaylight.com/hc/en-us/requests/new?ticket_form_id=360000942011