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Despite Ambien, ex-Commerce secretary won't face charges

July 3, 2012 |  7:32 pm

Bryson1-300pxIn the weeks following former Commerce Secretary John Bryson’s bizarre series of hit-and-run collisions in the San Gabriel Valley, authorities said his blood tests would be pivotal in deciding whether to file criminal charges.

On Tuesday, Los Angeles County prosecutors revealed that Bryson tested positive for a small amount of Ambien after he was found alone and unconscious behind the wheel of his Lexus last month. But authorities concluded the accident was caused by a seizure Bryson suffered and said he should not face criminal charges in connection with the accidents.

According to a district attorney’s memo, both treating doctors found Bryson was suffering from confusion following a seizure and crashed his car as a result.

PHOTOS: Former Secretary John Bryson hit-and-run crashes

Authorities could not determine if the Ambien in his system played any role in the crashes. Bryson’s blood work showed an amount on the “low end of therapeutic levels.”

Prosecutors concluded there was “insufficient evidence to prove driving under the influence.”

The maker of the popular sleeping aid warns users not to take the drug and drive, but experts say it can stay in the blood for some time without much of an effect. Unlike alcohol, California law does not have a specific threshold for how much Ambien can be in one's system while driving. Instead, authorities use a more subjective approach, said attorney and former prosecutor Neil Shouse.

Rather than a clear-cut guideline -– such as the 0.08% for alcohol -– authorities take into account a number of factors, including the driver’s sensitivity to the sleeping aid, how much of the medication is in the system and how apparent the side effects are at the time of the crash, Shouse said.
“It’s often a situation that it has a presence in the blood but not enough to have an intoxicating effect,” Shouse said.

Alon Avidan, director of the UCLA Sleep Disorders Center, said the drug's half-life is two hours, meaning half the dose is metabolized and no longer appears in blood tests. But he said he had no specific data on when the drug leaves the system entirely.

The D.A.’s decision closes a case that drew national attention. Bryson had been driving his Lexus one evening last month when he rear-ended a Buick waiting for a train to pass. After briefly stopping to talk to the three men inside the Buick, Bryson started driving again and struck the Buick a second time.

The men inside the Buick called 911 and followed Bryson's car as he continued to drive into Rosemead, where he allegedly crashed into a second vehicle with two people inside.

Bryson had come to Southern California to give the commencement speech at Polytechnic School in Pasadena, the alma mater of his four daughters. Some students and parents at the school noticed that Bryson, a polished public speaker, made mistakes and had lapses during his remarks. Several people told The Times that Bryson repeated himself and rambled at times.

Bryson resigned from his post last month after the Commerce Department said the crashes were caused by seizures. Tests taken at the scene showed he had not been drinking.

San Gabriel police Sgt. Brian Kott said the D.A.’s office did a thorough job evaluating the case. Kott declined to comment on whether officers’ observations of Bryson at the accident scene were consistent with Ambien use.

 “That would be a purely speculative opinion,” he said.


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--Robert Faturechi and Andrew Blankstein

Photo: Former Secretary of Commerce John Bryson speaks about privacy at the Eisenhower Executive Office Building in Washington on Feb. 23, 2012. Credit: Manuel Balce Ceneta/Associated Press