Why does Bourne keep leaving perfectly good guns behind?
In his safe deposit box, he leaves the gun behind. Why?
Then, when he disarms the guards at the embassy, he takes one of their guns....but then throws it in a trash can. Why?
You'd think a gun would come in handy for a guy on the run in constant danger, no?
Better to have a free gun and not need it....than need a free gun and not have one.