She could be clearly heard by the Imperial soldiers, and flaunting the loss of a high-priority target to them.
"The Citadel has shown itself to be many things, but hopelessly incompetent at the highest echelons is not one of them, so far.
...not a public conversation you listened in to.
cultivated by yourselves backing off and allowing
We did not come with hostile intentions, only to round up the last of our targets.
Before the smaller Asari could shoot at the humans or an order at C-Sec,
It's a shame to see that diplomacy is truly dead in the 40th millennium. I'd say Shepard should have put more points into intimidate, but I expect that the Specters have similar dialogue scores, and are therefore immune to his powers.
Hopefully Blasto can use his excellent negotiating abilities to get them to stop shooting at the very least.