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...
Yeah, the one that the Speedwagon 
Foundation found in Egypt ten years ago.
نعم، الصّورة التي عثرَتْ عليها مؤسّسة
سبيد واغن في مصر قبل عشر سنوات
Ja, das Bild, das die Speedwagon-Stiftung
vor zehn Jahren in Ägypten gemacht hat.
Sí, la que obtuvo la Fundación
Speedwagon hace diez años en Egipto.
Sí, la que obtuvo la Fundación
Speedwagon hace diez años en Egipto.
Esatto, quella trovata in Egitto
dalla Fondazione Speedwagon, dieci anni fa.
Sim, a foto que a Fundação
Speedwagon encontrou dez anos atrás.