[Organized crime is not usually where L's interests bring him, though with what Conan has to say, it sounds slightly more complex and complicated than bloodlines of old yakuza or mafia families and competitions over territory and market share.

And if so many are involved in the investigation.]

I see. And as a criminal organization, even secret, it's likely at some point they may attract Kira's attention. The fact that they haven't yet speaks to their talent for secrecy.

[Kira has gone through a few particularly ruthless stretches with murdering criminals recently.] Police contacts probably help with that, but eventually something may make the news even if it's only tangentially related.