In Europe, blind officers aid fight against terrorism

Too kewl, but I sorta know what they're reporting here. There are several (many) motorcycles around here and I can hear one, guess whose it is, then look out the window to verify I'm right.

It gets a little difficult sometimes because most are Honda, Suzuki, Yamaha and the owners replace stock mufflers with ones which have a sound they prefer.

Sacha van Loo, 36, is not your typical police officer. He wields a white cane instead of a gun. And from the purr of an engine on a wiretap, he can discern whether a suspect is driving a Peugeot , a Honda, or a Mercedes.

Via Boston Globe.