Vault 181 distress signal

transcript
i dont know if anyone can hear this, this is doctor brown, i am the last survivor of vault 181, i was the overseer of the vault, These activists of the " mental asylum liberators" or whatever those called, detonated a nuclear bomb in the vault that will make the vault to be inactived, the radiation killed all the patients and the crew, if anyone reach that vault, please help me, i am hiding in the overseer's office and come  save me before is too late

'''This has been a pre-recorded message. Message repeats in three seconds'''