She would definitely be able to tell since she was focused to pick up on things just like that at the moment. A blind woman wandering around a dystopic town had to do what she had to do.
"So far so good." She tilted her head a little as she "looked" at Tess. "Still working for Alex?" The guy was a bastard, almost worse than the Winchesters. Pamela wasn't sure what Manes had on Tess, but if it meant taking something away from Alex, she'd be more than happy to help.