<p>Dramatic dashcam footage shows the moment police tasered a crook after he crashed a stolen Porsche following a high-speed chase on icy roads.</p><p>Lee Smythe, 34, was spotted behind the wheel of the racing-prepared Porsche 911 GTS two hours after he stole it following a car key burglary.</p><p>Road cameras picked up the £60,000 supercar as it headed south from Staffordshire to Birmingham after he stole it at 4.15pm on January 25.</p><p>Footage shows a patrol car follow the Porsche – which has a dizzying top speed of 194mph – racing past Moor Street station and Selfridges in the city centre.</p>