As someone who is not exactly versed in the jurisdictions of the TLAs, wouldn't it be the CIA's role to put backdoors in Telegram? The FBI would be doing counte

As someone who is not exactly versed in the jurisdictions of the TLAs, wouldn't it be the CIA's role to put backdoors in Telegram? The FBI would be doing counter-intelligence and would only approach Telegram if they suspected wrongdoings on their parts, no?