If there is no tangible evidence of this you can legitimately point to and hand the police, then there is no thing indicating it exists outside of your own head (delusion). How do you know guards are bribed, your devices are hacked? Robocalls and rando messages on Skype are a dime a dozen, but if they’re incriminating threats, take it to police. Do not rely on your own instinct or intuition to make deductions about reality, rely on tangible evidence that 3rd parties can appreciate ; This era of cameras and recorders leaves no excuse. There is no organization so professional they can make demands, negotiations, or attempts at your life via telepathy.

Your close friends and relatives can gauge your personality more accurately than you can. If your family thinks you’re psychotic, I’d trust that more than some random walk in psych.