[The somber-looking woman to L's left is a commanding presence, quite a contrast to the shabby and insubstantial figure that the detective strikes. He can be charismatic, given the proper channels, but in person he tends to fall somewhat short. Dark eyes glancing over Saretha's straight back and crossed arms, L can see clearly that she is the real deal.]

I can't say I'm thrilled about this, but it's better than a group of vigilantes wandering the streets with Thundercorp's stolen property in tow. Reputation is a legitimate concern, but so is safety; I'd prefer to have it close at hand and observable, and most of my employees feel similarly. To answer your question...

[He pauses, then decides it's well within his rights as the proprietor to lay down such a rule]

I don't have the energy to deal with bravery or stupidity tonight. I don't want anyone close to it unless they're guarding it and I trust them not to tamper with it until we know more. There are Numbered Thundercorp employees we could grill, rather than putting our own hands close to the flame.