Detective Chief Inspector April Casburn was today jailed for 15 months at the Old Bailey after being found guilty last month of misconduct in public office for offering to sell information to the News of the World.
Casburn, 53, had been warned that a jail term was likely despite the fact that she is in the process of adopting a child.
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Police are trying to find the driver of the car following the incident in Kingfisher Close, Brownhills.
An unnamed man died at the scene, while a woman was pronounced dead after being taken to St George's Hospital, Tooting, south-west London.
Eastern areas will see a few showers coming in on the northeasterly breeze