Yuki Adachi disappeared on the morning of March 23
TokyoReporter
The Kohei-ikka is the largest yakuza group in the capital
Woman is described as being in her 20s, with long brown hair
Investigators believe Maki Takubo bought fake stamps for the diploma online
Employee said, 'I was experiencing work-related stress'
Police believe that the pair received instructions for the crime via Signal
Cyclists caught using a smartphone while pedaling will be slapped with a 12,000-yen fine
Jun Izawa has declined to comment on the allegations, police said
Prosecutors said there 'was not necessarily sufficient evidence'
Thieves made off with a safe containing approximately 1.4 million yen in cash, police say