It's been a month since ex-Nissan chief Carlos Ghosn's dramatic escape pushed the Japanese justice system back into the global spotlight. Critics have long called Japan's extended detentions and other legal practices "hostage justice" and an affront to international standards.

The Justice Ministry has since fought back with a bilingual question and answer section on its website. It says that the courts — not the police or prosecutors making the requests — agree to extend detention periods only if it is determined a suspect might destroy evidence or flee.

Here are some of the key questions being raised in the hostage justice debate.