They were right in being prepared to have to sit for a while. Liara wasn't the kind to break easily and if it were information that could endanger Shepard or the crew she would take it to her grave.

Watching the operative across from her, Liara didn't show any signs that she was intimidated or going to comply with what they were asking.

"I can't give you information you believe I have unless you tell me what it is that you're after. I could tell you what I know about Cat6, dishonourable discharges from the Alliance, gone rogue, military trained operatives for hire. Your people don't scare me."