The Bigsby Brown Case

 is a repeatable quest in Fallout Shelter.

Synopsis
''Nick's old pal Bigsby Brown has gone missing. An old file suggests he'd gone out in search of a missing Vault Dweller, but no one's heard from him since. Track down that sleuth!''

Objectives
Track down missing sleuth Bisgby Brown.

Dialogue

 * Maybe the Settlers are hearing the Mole Rats' mating calls? (_RaiderLine_1);
 * At least these we can shoot... unlike ghosts! (_RaiderLine_2);
 * Make it stop! (_RaiderLine_3);
 * The banshee's keening for *you*! (_RaiderLine_4);
 * Great! Here, take this. Good deeds ought to be rewarded. Now get moving! There's no time to waste! (_Conversation_1_NPCEnd_1);
 * I'm in no shape to take on those Deathclaws myself. But I won't make you do it for free. Take this and get going! There's no time to waste! (_Conversation_1_NPCEnd_2);
 * Wow. Another minute and I was going to be mincemeat. (_Conversation_1_NPCStart_1);
 * Name's Bigsby. Nicky sent ya, didn't he? Much as I'd love to get to know ya, we've got a more pressing matter. (_Conversation_1_NPCStart_2);
 * The soul I was sent to rescue is about to get served up on a Deathclaw dinner platter! (_Conversation_1_NPCStart_3);
 * You're going to have to finish this job for me. (_Conversation_1_NPCStart_4);
 * Let me at 'em! (_Conversation_1_Team_1);
 * Why don't you do it? (_Conversation_1_Team_2);
 * Really? Oh, that'd be great! Thanks again! Now let's get out of here! (_Conversation_2_NPCEnd_1);
 * Ah. I see. Well, thanks for the rescue anyway. Now let's get out of here! (_Conversation_2_NPCEnd_2);
 * Holy cow! I thought I was done for! You're a real lifesaver, you know that? (_Conversation_2_NPCStart_1);
 * If you ever need anything, you just say the word! (_Conversation_2_NPCStart_2);
 * How about you come live at my Vault? (_Conversation_2_Team_1);
 * Actually, I don't need another mouth to feed. (_Conversation_2_Team_2);