Nobody can believe their eyes at the corpse that appeared from within Shiki's room. They try to figure out what happened, but the room was completely closed off, which only makes the plot thicken.
they have complete video records 
for the past fifteen years.
.أنّ لديهم سجلات فيديو للخمسة عشر سنة الماضية
dass hier die Aufnahmen der letzten
15 Jahre gespeichert sind?
c’est d’avoir conservé
les enregistrements depuis 15 ans.
è che qui sono conservati tutti
i filmati registrati in quindici anni!
as gravações de todos esses 
15 anos estão salvas aqui.