Imaizumi was among the original 23 members of Keyakizaka46 when the group formed in 2015
TokyoReporter
Suspect said, 'Since I am from a remote island and had never been to the capital, I wanted to go see it'
Police are treating the case to be the result of foul play
Location of the discovery is about 200 meters downstream of the Ishiyamao Bridge
Suspect used a bag to haul away the lenses
Neighbor said, 'I heard two shots'
Local resident said, 'Nobody has anything good to say about him'
Suspect said, 'Gradually, I got turned on'
Investigation is continuing on suspicion of murder
About one hour after the alleged crime, a similar incident involving another middle school girl took place in the same area