The university did not say how many students were sickened by the serious illness.
Authorities had been alerted after suspicious powder found in an envelope
Officials said the jumper was taken into custody after being bitten by a guard dog on the North Lawn.
Gladys Moline, 77, died in the crash. She was a passenger. The 80-year-old driver was also injured.
Get ready for noise, accidents, lawsuits ... and some lovely rides.
The White House was briefly locked down after the incident, which also prompted the closing of a park.
Eric Somuah, 35, was found dead of a gunshot wound to the head in his apartment in 2012.
Others on the top 10 list were in California, Texas and Kansas.
The man raised a firearm, police said. He was wounded and has been released from the hospital.
Police said that the weather and her dark clothes may have made it difficult for SUV driver to see her.