I'll be branded a maniac for speaking the truth
And I'll be murdered as soon as I hit the street with the proof

from Outerspace (Ft. Immortal Technique & Vinnie Paz) – Angel of Death Lyrics on Rap Genius

Meaning

Like in other songs, Tech says that if he ever got his hands on some proof on the conspiracies that going on around the government they will kill him before exposing them.

The powers-that-be and their media marginalize conspiracy theorists and whistleblowers, branding them as crazy.

It’s their defense against the truth getting out.

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