Yoichi Hatta is wanted for murder
TokyoReporter
Boyfriend of woman in custody, police said
Woman in her 20s suffered minor injuries to her wrists in the attack carried out by two men
Bags and shoes believed to belong to the two girls were found on the roof
Suspect also allegedly filmed the incident
Prosecution described the crimes of the defendant as 'despicable and vicious'
Police visited the house after receiving a call from relatives
Security guard found the body floating on the surface of the water last week
Authorities found two bodies on the first and second floors
Gender and approximate age of the person are unknown