Solving crimes by hearing only

Sacha Van Loo is not your typical cop. Although he is not entitled to carry a gun on the job or to make arrests, he is one of only six people in a special police force in Belgium. Van Loo is one of Europe's newest weapons in the global fight against terrorism, drug trafficking and organized crime. A blind Sherlock Holmes whose disability allows him to pick up clues sighted detectives does not see.

Van Loo, 36, who has been blind since birth, is one of six blind police officers in a pioneering unit specializing in transcribing and analyzing surveillance recordings in criminal investigations. He also speaks seven languages, including Russian and Arabic.

The blind police unit, which became operational in June, originated after Van Thielen heard about a blind police officer in the Netherlands. Van Thielen was looking for ways to improve community outreach, and he hoped that blind people would prove more adept than the sighted at listening to surveillance recordings and interpreting them.

But his sense of hearing is so acute that Paul Van Thielen, a director at the Belgian Federal Police, compared his powers of observation to those of a superhero. When the police eavesdrop on a suspected terrorist making a phone call, Van Loo can identify the number instantly by listening to the tones. By hearing the sound of a voice echoing off a wall, he can deduce whether a suspect is speaking from an airport lounge or a crowded restaurant. 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.

"I have had to train my ear to know where I am," Van Loo said. "It is a matter of survival to cross the street or get on a train. Some people can get lost in background noise, but as a blind man I divide hearing into different channels. It is these details that can be the difference between solving and not solving a crime."

"Being blind has forced me to develop my other senses, and my power as a detective rests in my ears," he said from his office at the Belgian Federal Police, where a bullet-riddled piece of paper from a recent target-shooting session was proudly displayed on the wall. "Being blind also requires recognizing your limitations," he added with a smile, noting that a sighted trainer guided his hands during target practice "to make sure no one got wounded."

Grappling with his blindness, he says, has also given him the thick emotional skin necessary for dealing with the job's stresses. "I have overheard criminals plotting to commit murder, drug dealers making plans to drop off drugs, men beating each other up," Van Loo said. "Being blind helps not to let it get to me, because I have to be tough."

To accommodate the new blind officers in the police station, they've installed elevators with voice-activated buttons and issued each blind officer a special computer equipped with a Braille keyboard and a system that translates images on the screen into sound. When Van Loo goes outside, he carries a compact police-issued global positioning system device with a voice that directs him to his destination, street by street.

Source : abcnews.go.com

Tags : Sacha Van Loo blind Sherlock Holmes blind police unit Belgium police officer blind

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