Angelo's Stand ability was brought forth by the mysterious bow and arrow, and apparently they're also connected to DIO. After defeating Angelo, Jotaro thought that the danger had left the city, and tries to find the whereabouts of the bow and arrow. A few days later, Koichi is walking home with Josuke, and they pass a house that should be empty...
Whatever this right hand 
grabs gets scraped away.
.أيّما تُمسِكُه هذه اليد اليُمنى تزيلُه
Alles, was seine rechte
Hand berührt, verschwindet.
Todo lo que agarra
su diestra desaparece.
Todo lo que agarra
su diestra desaparece.
Qualsiasi cosa io tocchi con la mia mano destra
viene cancellata!
Tudo que esta mão direita toca é removido!