If you have stolen something and you have been catched, when you go near a guard, you can skip this guard because not is prompted the message of flee or pay to clear your bounty.
Something I noticed too when I accidentally opened a wrong door thinking it was the exit of the building ans someone saw me (thus a bounty) I ran to the first guard I've found, started the conversation with him, the dialog to pay the bounty appeared but it closed itself instantly and the guard walked away.
I am the very model of a scientist Salarian, I've studied species Turian, Asari, and Batarian.
I'm quite good at genetics (as a subset of biology) because I am an expert (which I know is a tautology).
My xenoscience studies range from urban to agrarian, I am the very model of a Scientist Salarian.