"The security is likely to increase quite a bit now Mr. Smith."
"Indeed Mr. Jones. We shall have to be more… subtle."
"I disagree Mr. Smith. I think that maybe we should hide our attempts to complete the contract under a very large pile of collateral damage."
"Ah. I see where you are going Mr. Smith. Accidentally ensure that they are involved in a terrorist attack?"
"Indubitably Mr. Jones. Precision strikes have failed quite appallingly badly. So we need to go old fashioned. There is nothing wrong with a little guerrilla warfare to ensure completion of our very expensive task."