NY trooper tells Kerry Kennedy jury he was concerned she had a medical condition after crash

Kerry Kennedy, center, leaves the Westchester County Courthouse in White Plains, N.Y. with her attorneys on Monday, Feb. 24, 2014 following the first day her trial. Kennedy, the ex-wife of New York Gov. Andrew Cuomo and the niece of the late President John F. Kennedy, was arrested in 2012 after her car hit a tractor-trailer on an interstate highway near her home outside New York City. She drove to the next exit, where she failed a sobriety test, police said. (AP Photo/The Journal News, Ricky Flores) NYC OUT, NO SALES, ONLINE OUT, TV OUT, NEWSDAY INTERNET OUT; MAGS OUT (The Associated Press)

From left, Kerry Kennedy, Douglas Kennedy and Ethel Kennedy and other family and supporters enter the Westchester County Courthouse in White Plains after a lunch break Wednesday, Feb. 24, 2014, on the first day of Kerry Kennedy's drugged-driving trial. Kerry Kennedy, the ex-wife of New York Gov. Andrew Cuomo and the niece of the late President John F. Kennedy, was arrested in 2012 after her car hit a tractor-trailer on an interstate highway near her home outside New York City. She drove to the next exit, where she failed a sobriety test, police said. (AP Photo/The Journal News, Ricky Flores) NYC OUT, NO SALES, ONLINE OUT, TV OUT, NEWSDAY INTERNET OUT; MAGS OUT (The Associated Press)

A New York state trooper says he was concerned that Kerry Kennedy may have suffered a seizure or stroke after her car swerved into a truck in 2012.

Trooper Bradley Molloy testified Tuesday during Kennedy's drugged-driving trial.

Molloy says Kennedy passed several drug tests that he administered after the crash.

Kennedy is the ex-wife of New York Gov. Andrew Cuomo, daughter of Sen. Robert F. Kennedy and niece of President John F. Kennedy.

The defense says Kennedy accidentally took a sleeping pill instead of thyroid medication. Prosecutors say it's up to jurors to decide whether she took the drug accidentally. They say she broke the law if she kept driving after feeling the drug's effects.