Uh, 'Tis I, the Penultimate! I went deep into my monetary reserves and made sure to spring for the superhumanly-intelligent, orthodontically-enhanced, immutable super-rats with heightened strength, speed, reflexes, senses, durability and metabolism.
So, yeah, they're well-trained and orderly.
“…Judge not what a man has done, but judge what he could have done if he was a different bloke altogether. For art thou a leper? And a leper can changeth his spots…” --Rudy Wade, Misfits (Series 4, Episode 8)