Butterfly Knife: where to find it

RoomContainers
Any roomBox
Any roomBox
Any roomCabinet
Any roomLocker
Any roomOutfit_PrivateMilitia
Any roomOutfit_Redneck
Any roomOutfit_Survivalist
Any roomOutfit_Survivalist_Late
Any roomOutfit_Survivalist_Mid
Any roomOutfit_Survivalist02
Any roomOutfit_Survivalist02_Late
Any roomOutfit_Survivalist02_Mid
Any roomOutfit_Survivalist03
Any roomOutfit_Survivalist03_Late
Any roomOutfit_Survivalist03_Mid
Any roomOutfit_Survivalist04
Any roomOutfit_Survivalist04_Late
Any roomOutfit_Survivalist04_Mid
Any roomOutfit_Survivalist05
Any roomOutfit_Survivalist05_Late
Any roomOutfit_Survivalist05_Mid
Any roomShelter
Any roomStash
Army Surplus StoreDisplay Case
AtticBox
AtticCrate
Atticother
BedroomBox
BedroomCabinet
BedroomCrate
BedroomDrawer
BedroomDrawer
BedroomLocker
BedroomStash
ChangeroomLocker
ClosetLocker
Closetother
Derelictother
Derelict steel factoryother
Drug labCabinet
Drug labCupboard
Drug labCupboard
Drug labother
Drug labShelves
Drug shackother
ElementaryschoolLocker
Evidence roomother
Farm worker dormLocker
Fishing storageDisplay Case
Fishing storageLocker
Garage storageCrate
Garage storageLocker
Garage storageother
Gas StationCupboard
Gentleman's ClubCupboard
Gentleman's ClubDrawer
Gun Cache1Ammo Crate
Gun Cache1Stash
Gun StoreDisplay Case
Hallother
HunterstorageLocker
KitchenCupboard
Liquor StoreCupboard
Living roomCupboard
Living roomDrawer
Living roomDrawer
Living roomLocker
Living roomother
Outdoor supplyDisplay Case
PawnshopDisplay Case
Pawnshop officeLocker
Police archiveShelves
Police gun storageother
Police gun storageShelves
Police storageother
Police storageShelves
Police SWATother
Prison cellsother
Safehouse LootBox
Safehouse LootBox
Safehouse LootCabinet
Safehouse LootCrate
Safehouse LootCupboard
Safehouse LootShelves
Safehouse Loot LateBox
Safehouse Loot LateBox
Safehouse Loot LateCabinet
Safehouse Loot LateCrate
Safehouse Loot LateCupboard
Safehouse Loot LateShelves
Safehouse Loot MidBox
Safehouse Loot MidBox
Safehouse Loot MidCabinet
Safehouse Loot MidCrate
Safehouse Loot MidCupboard
Safehouse Loot MidShelves
Secondary hallLocker
Shotgun Cache1Stash
Storage Unitother
Strip club VIPCupboard
Strip club VIPDrawer
Survivor cache 2Crate
Survivor cache 2Cupboard
Survivor Cache Big BuildingCrate
Survivor Cache Big BuildingCupboard
Survivor Cache1Crate
Survivor Cache1Cupboard
Tool StoreBox
Tool StoreCupboard
Tool Storeother
Tool StoreShelves
Tool store storageother
BanditBag
BanditBag_Early
BanditBag_Late
BanditBag_Mid
BanditItems