"When have you ever known me to be excited about something as dull as a walk in a park?" Tonks mused dryly, softly enough so that it might only seem to anyone observing that her mutterings were sentimental ones. This wasn't the way either of them liked to do business, Tonks knew, but there was nothing for it. She wouldn't risk engaging in more, and the poor bloke they were trailing could hardly be blamed for acting against his will.
If that was, indeed, what he was doing.
He'd begun to speed up, which meant he'd either spotted them, or he was nervous for another reason. That was an interesting development. Could he have been promoting You-Know-Who's agenda willingly? It would account for his nerves. Tonks imagined that many of You-Know-Who's supporters, outside of the inner circle, of course, would be intensely fearful of not performing as well as their master might hope.
Tonks caught Hestia's eye, trying to communicate without words what she suspected, as they'd been stopped all by a street light, and the man was close by.