copenhagen arm find divers near copenhagen weigh piece metal similar attach legs swedish journalist kim wall die august board submarine own danish inventor local police say wednesday arm find km half mile spot wall head legs find october wall freelance journalist research story entrepreneur aerospace engineer peter madsen go miss take sea homebuilt 17-metre 56-foot submarine august aug. 23 police identify torso wash ashore copenhagen wall s. coroners examine turn leave arm find koge bay outside copenhagen near route search connection submarine case divers police continue search right arm along evidence thursday madsen admit dismember wall board submarine dump body part sea still deny murder charge sexual assault without intercourse trial set take place copenhagen next march story add distance miles second paragraph police find similarities body part find copenhagen water