Uber is rolling out a new safety feature to make sure riders get in the correct car after the shocking murder of a college student

Reuters/Andrew Kelly

• Uber is launching a verification system to ensure riders find the right driver.
• The move comes after the grisly murder of a college student in May who got in a vehicle she assumed was her Uber.
• The company is also working on an automatic, ultrasound system to verify matches between drivers and riders.
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Uber plans to launch a new, optional safety feature to help ensure that riders get into the right vehicles.

The four-digit PIN verification system, in which riders will say aloud to their driver before they can start the ride, comes after the grisly murder of a South Caroline college student that made headlines around the world.

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In Samantha Josephson's case, the 21-year-old University of South Carolina entered a vehicle assuming it was her Uber ride, when it was in fact her would-be murderer.

The announcement came as CEO Dara Khosrowshahi took the stage at an announcement event in San Francisco.

Uber is also working on an ultrasound technology to communicate with a driver's phone to perform the same verification automatically.

This story is developing, check back for updates …