Cleaner-No, Gin the Janitor

"A laboratory convenient for manufacturing dangerous substances..." Ai Haibara set down her pen and pondered for a moment. "Besides the various labs connected to Karasuma Pharmaceuticals, university laboratories are worth considering too. Applied chemistry is a common major offered by many schools, and since research group funding comes from such mixed sources, procurement is also... Well, anyway, if you want somewhere that can supply large quantities of Potassium Cyanide, caustic soda, and similar chemicals, you can't go wrong keeping an eye on laboratories."

"Smuggled firearms and military weapons? Hmm, I'll write down a few addresses for you." Shuichi Akai thought for a moment and picked up a sheet of paper beside him. "Strictly speaking, the weapons we have prepared here—including the ones you took—weren't transported through legitimate channels either. You can understand that if you think about it. Actually, high-end replica model shops make excellent covers. I'll give you a contact; he's one of our people responsible for such matters. You can get in touch with him..."

"You're asking about the sources of explosives? I've honestly never thought about that." Professor Agasa blanked out for a moment and scratched his shiny bald head. "I rarely take orders like that. They're dangerous things, after all. Unless it's someone I trust, it's hard to ensure the finished product won't be used for other purposes. Even if you ask me, I can't give you a specific answer... But I can give you a few websites. They have all kinds of strange orders there. I usually accept commissions through them too..."

"You're investigating the purchase channels for regulated knives? What a strange topic. Is this the social practice project you picked? Wait a moment, I'll go ask the person in charge of procurement at home..." Sonoko Suzuki tilted her head in confusion, but still