used a median to go from inner loop to outer loop causing a crash killing a maryland teacher karen holt-williamsorter: karen holt-williams was the proud mother of five adult children, four grand kids. her family and friends are devastated she died. >> she was a nice person. i always enjoyed being around her. >> reporter: her family tells me she was driving her lincoln town car to get a teaching recertification. police say 18-year-old sebastian reyes used his unmarked suv without lights or sirens activated to make a u-turn in an emergency cross yoover. >> the investigation indicates he sideswiped a 2000 lincoln driven by a prince george's county woman. that lincoln then lost control and crashed into the jersey wall on the fast shoulder. >> reporter: medics drove karen holt-williams to the medical center where doctors pronounced her dead. a third car was involved in the crash. none of the three people in that car got hurt. the unanswered question, was ka debt reyes authorized to make the turn? >> that's something we will be looking at. >> investigators interviewed him and he could face charges. >>

karen williams. >> reporter: karen holt-williams was the proud mother of five adult children, nine grand kids.amily members and neighbors are heartbroken she died. a maryland state police cadet hit her on the beltway. >> she was a nice person. i always enjoyed being around her. >> reporter: her family tells me she was driving her lincoln town car to get a teaching recertification. maryland state police cadet, 18-year-old sebastian reyes used his unmarked suv to make an emergency cross yoover. >> the information indicates he sideswiped a 2000 lincoln. that lincoln then lost control and crashed into the jersey wall on the fast shoulder. >> reporter: medics drove karen holt-williams to the medical center where doctors pronounced her dead. a third car was involved in the crash, but none of those people were hurt. the unanswered questions, was cadet reyes authorized to make a turn from the inner loop to the outer loop? >> police do not have any authority. that's something the investigators will be looking at. >> reporter: shomari stone, news4. >> investigators interviewed the cadet and he could fac

at 59 karen holt-williams was nowhere near slowing down, in her career or family life. >> she is very much in love with herrandchildren as well and a great teacher. >> reporter: her car was struck by what her family's attorney describes as an out of control state-owned vehicle driven by an 18-year-old maryland state police cadet. someone else on the cusp of a new career. he had just made a u-turn from the inner loop to the outer loop used for official vehicles. >> when he moved to the right in the slow lane, traffic was moving too slow. he applied the brakes too hard over compensated and the vehicle skidded back to the left and sideswipg the vehicle that ms. holt-williams was made. >> officials are looking into whether he followed the rules. the family's attorney says that's where most of williams' survivors' questions lie. >> we're not sure why the cadets were in the vehicle unsupervised. >> reporter: the attorney for karen holt-williams' family says victims' sur advisers are being kept informed, and he says it wasn't always that way. especially in the moments after the accident at t

mourners gathered to pay final respects to karen holt-williams this afternoon. she died in a bizarre crash involve aing cadet with the maryland state police. news 4 derek ward live in college park with more on the story for us. derek. >> reporter: well, this all involved an acde iolng civn ee the maryland state police, and today the victim who died in that crash laid their family member to rest. the family members of that victim laid her to rest. what they haven't laid to rest is their search for answers. >> reporter: mourners gathered to say good-bye to a woman who died in a beltway crash one week ago today. the august 1st accident on the beltway near route 50 claimed the life of karen holt-williams. holt's sister-in-law was among the mourners. >> she really is. >> reporter: the 59-year-old mother of five and granh of five had taught in the d.c., prince georges county, and montgomery county schools and worked as a cartographer and ran a child car business. she was actually on her way to get her certification to return to teaching when the accident happened, and

. >> reporter: the driver of the lincoln, 59-year-old karen holt williams of temple hills was taken toe george's hospital and pronounced dead. a third vehicle was involved, but they were not hurt. was he authorized to make that turn from the inner loop to the outer loop? >> as a cadet, he does not have police authority. itis something the investigators will be looking at. >> reporter: the cadet was out on assignment weighing trucks at the 95/495 truck scales before the crash. why did he make the decision to make the u-turn. >> they are there for emergency vehicles. the police officer or the ambulance driver or whomever needs to be able to justify their use of the crossovers. that's something we will look at in the situation. >> reporter: now, there was also a second cadet in that car with reyes. he was not hurt. coming up at 6:00, what exactly happened to that 18-year-old reyes now? reporting live, adam tuss, news 4.

the driver of that car, 59-year- old karen holt williams, died on the way to the hospital. that accident tied up traffic on the outer loop for hours. crash investigators will present their findings to the prince george's county state's attorney's office to determine whether that cadet will face charges connected to the crash. >>> two americans infected with the ebola virus are headed to atlanta for treatment. this will be the first time ever that a patient with that virus will be treated here in this country. health officials call this ebola outbreak the worst ever and so far the viral disease has infected more than 1,300 people in west africa and more than 700 of them have diat emery hospital in atlanta are preparing for the arrival of at least one american ebola patient. >> the key is identifying, quarantining, isolating those who contract it and making sure that practices are in place that avoid transmission. >> dr. kent brantley and nancy ripold were working in liberia when they were infected. they were both given serum. this plane was retrofitted with medical equipment