You have probably read the book in the basement about lockpicking. If not, get access to the elevator, first.
I got to the basement
Any hints on making the lockpick?
What are the two pieces of metal?
I have two metal pieces
Who can work metal?
Tell me who can shape metal
I found Trevor
What shapes should I make for the lockpick?
Tell me exactly how to build the lockpick
What do I do with the lockpick?