Parents of slain college student call for new ride-share security measures

The parents of Samantha Josephson, who police say was killed by a man she mistook for a ride-share driver, are now lobbying to introduce new regulations for ride-sharing vehicles.
7:34 | 04/17/19

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Transcript for Parents of slain college student call for new ride-share security measures
murdered in a similar scenario. Her parents speaking out with my co-anchor Byron Pitts. Reporter: Newly-released surveillance video shows the moment before this woman was robbed. The suspect posing as a driver she called from a ride sharing app follows her into the building and then into the elevator where he tries to take her purse, before entering her apartment, stealing property and fleeing. This happening one day before the death of Samantha Josephson who was kidnapped and murdered by a man she thought was her Uber driver. I don't think it was even in our sight that this was an issue, until unfortunately this happened. It could happen to anyone. Reporter: Samantha was a force. A 21 year old with the world at her finger tips. A senior at the university south Carolina. Her parents, Seymour and Marcy say she dreamt of becoming a lawyer. Fabulous. Kind, funny, very, very funny. A best friend to everyone. Good sister to Sydney. Always smiling. Always smiling. Reporter: You smile when you say that. I do. She wanted to make a difference. She was actually interested in international law. Reporter: Just two weeks after their daughter's murder, the josephsons say they feel compelled to speak out, calling for federal regulation on the ride sharing industry and urging companies like Uber and Lyft to enhance safety protocols. We don't want anything like this to happen to any other parent again. So we felt, do this now. Reporter: It was a typical night and Samantha was out with friends at a bar near usc's She was so excited because she hadn't been out with her friends for a couple weekends. Reporter: She ordered a Uber. She was being responsible going home because she had to work in the morning. Reporter: She can be seen walking alone outside in this surveillance footage. Black Chevy impala pulled up and she got in. She mistakenly got in thinking it was a Uber ride. Reporter: It was not. The next day, her friends, concerned they hadn't heard from her called her parents. Samantha's boyfriend called me and said I just want to let you know that Samantha didn't come home last night, and they called the police, and I just kind of froze, and called Seymour. We were still talking to the police as we were in the car to drive, to drive down. When we got there, about 12:00, 12:15, they brought us into a conference room. At that point it confirmed. Told us. So that was a hard moment. Reporter: Police told them the unthinkable. Their daughter was dead. Her body had been found by hunters in a wooded area in the rural part of the county. Devastated, Marcy and Seymour had to deliver the news to their youngest daughter Sydney. Making that phone call back to her was probably one of the hardest days of my life. Reporter: May I ask what you said to her? That she's no longer here. She's dead. It's still, obviously hurts. We're still very emotional. Reporter: Police tracked down the vehicle from that surveillance video and arrested 25-year-old Nathaniel Roland at a traffic stop around 3:00 A.M. Inside they found liqui bleach, cleaning wipes and window cleaner. The Chevy impala had a large amount of liquid that we believed to be blood, and once they did a presumptive test, it, in fact, was confirmed to be blood. Reporter: Police say the suspect trapped Samantha in his car. The child safety locks were activated on the door that would not allow someone to, the means of escape from the back of the suspect vehicle. Reporter: Roland has been charged with kidnapping and murder. His parents spoke to a fox affiliate, denying their son's involvement. I'm sorry it happened, but I can't afford to let my son serve time for something he didn't do or something he didn't know about. Reporter: In a court hearing, in which the alleged murder did not attend, Josephson's mother delivered this emotional plea. He should never be allowed to walk free again for what he did to my daughter or given the opportunity to hurt anyone else. Samantha Josephson. My daughter's name is Samantha Josephson. Don't ever forget the name Samantha Josephson. Shame on him. Reporter: You said her name and made the statement more about her and less about him. It's the way it should be. It's really about my daughter and making it that nobody else is going to go through what we're going through. Reporter: While the family does not blame Uber for Samantha's death, they think Uber and other ride share companies could do more to keep passengers safe. I think all the ride sharing companies out there need to do more. They need to look at the safety and how they can enhance the industry. Reporter: Just yesterday the ride share company Lyft announced that they're adding two new safety features in the wake of Samantha's death. Continuous criminal background checks and an enhanced identity verification process. But they think they should consider developing bar code technology to match drivers with passengers. You have to have a smartphone. Can you put a qr code, a bar code, put it on the door. If that's your ride, it turns green. Reporter: In a statement to ABC news, a spokesperson for Uber said, our hearts remain with the Josephson family. We're always looking to build on our core safety feature, such as the license plate, car make and model and driver photo shown in the app prior to the trip. They want all ride share cars to have a front and back license plate. There are 19 states that do not have a front license plate. And South Carolina happened to be one of them. So we're saying to make that mandated. We have our children. They grow up. And we teach them, don't talk to strangers, don't get into a car with a stranger. And what do we do now with a ride share? They get in a car with a stranger. Reporter: Recently south Carolina's house of representatives passed a bill named after Samantha. The bill mandates that any driver, when there's a driver working on duty, there would have to be an illuminated light. Individuals need to be accountable. And they have to look at the license plate. They have to look at the driver. Reporter: The family has turned their pain into action. Launching a foundation called what's my name. Asking passengers to ask before they step into the car. Sammy would have wanted us to do this. Because it was her goal to help change the world. Yes. Reporter: Samantha was planning to head to law school in the fall on a full scholarship. She was set to finish up school E next month. May 11 is her graduation. Reporter: What will you all do that day? We're going to go to it. I think it's going to be a really difficult day, but we need to go to it for ourselves. They're go being to do a moment of silence for her, and I really wanted to be there for her.

This transcript has been automatically generated and may not be 100% accurate.

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