Movies
Who put this thing together? Me, that’s who! Who do I trust? Me!
— Tony Montana · Scarface

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker asks two questions and supplies the same answer to both: himself. Credit for building something becomes a reason to trust nobody else. The repeated 'me' gives the statement its force, making self-reliance sound both triumphant and fiercely closed to others.
Context reviewed