More than a month after its publication, public outrage over "Zekka," a controversial memoir published by a serial killer who targeted children when he was a minor, has shown no sign of abating.
The audacious autobiography, in which Seito Sakakibara recounts in grisly detail the murders he committed as a troubled teenager in Kobe in 1997, has left many people wondering what he plans to do with the proceeds.
With that question came growing calls for Japan to introduce legislation similar to so-called Son of Sam laws in the United States, which take their name from the moniker given to American serial killer David Berkowitz.