was not a mechanic.
ground service guy, loads bags, unloads bags
I suspect this guy held files for Cohen to protect them form being found with a search warrant of Cohen's home (as happened)
I also suspect the text was to warn him to protect the files, a go order.
What would be that important? Blackmail files / video of various higher ups?
Now he has conveniently killed himself to keep himself from talking about it.
Or the pastebin was the honeypot. How hard would it be to monitor traffic and IPs going to it.