SAN FRANCISCO (AP) - One of the world’s foremost experts in detecting performance-enhancing drug use among athletes recounted on Thursday for the Barry Bonds jury how authorities unmasked the designer steroid dubbed the “clear.”
Bonds has admitted using the steroid, but said his personal trainer misled him into believing it was flaxseed oil.
Larry Bowers, the U.S. Anti-Doping Agency’s chief scientist, told the jury Thursday that his agency anonymously received a syringe with trace amounts of liquid in the summer of 2003. Scientists using highly technical chemical-detection equipment came up with a recipe for the liquid. Using the recipe, the agency had a batch ginned up and injected into baboons on their way to developing a urine test for the steroid, also called “THG,” that was put in place by late 2003.
“THG was pretty clever, cleverly designed,” Bowers testified.
Bowers also testified about the side effects of steroids, such an acne breakout and “bloating.”
The government plans to use that testimony to support the expected testimony of Kimberly Bell, Bonds‘ former mistress. Bell plans to testify that she witnessed physical and mental changes in Bonds that prosecutors allege were side effects of steroid use.
“They would shrink,” Bowers said.
Bowers also testified that scientific studies have suggested an excess of human growth hormone could cause an adult’s head, hands and feet to grow. Prosecutors allege that Bonds knowingly used human growth hormone and witnesses will testify that his head, hands and feet grew during his time with the San Francisco Giants.
Out of the presence of the jury, U.S. District Judge Susan Illston denied Bonds attorney Allen Ruby’s motion to exclude such evidence. Ruby argued unsuccessfully that Bowers failed to offer enough scientific evidence that growth hormone could enlarge a user’s head, hands and feet.
Hoskins has testified that he strongly suspected Bonds was using steroids between 1999 and 2003. Hoskins on Thursday testified that Bonds‘ surgeon, Dr. Arthur Ting, told him that a Bonds elbow injury was caused by steroid use.View Entire Story
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