Presiding judge described the crime as 'extremely malicious'
Victim was wounded in the abdomen and arm, police said
Man bought the drone just before the flight, police said
Suspect told police, 'Carrying out obscene acts was not my motive'
Suspect told police, 'I touched him out of curiosity'
Suspect told police, 'I did it to satisfy my sexual desire'
Body was found between an abutment and a girder of the Omoiyari Bridge
Suspect telephoned police on Monday, 'My mother is dead inside my car'
Suspect denies the allegations, telling police, 'I only took back my money'