Hyogo Prefectural Police said, 'The cause is under investigation'
TokyoReporter
Defense argued the murders were carried out by the defendant's 'alternate personality'
Police confirmed that they had previously received consultations regarding trouble
Two boats capsized off the coast of Henoko in Nago City on March 16
Former cop carried out the act in bizarre bid to prevent the couple from getting a divorce
Preliminary examination of the body showed no visible signs of trauma, police said
Tomoka Takeishi was killed when the boat she was on capsized off the coast of Okinawa on March 16
On March 26, Taiki Hirokawa fatally stabbed his girlfriend before taking his own life
Saki Sudo wrote, 'Just between us, I'm well aware that I'm the type of person women hate'
Remains of newborn baby were found stuffed in a closet