Trayvon Martin autopsy finds traces of marijuana

Trayvon Martin's autopsy report has revealed the teenager had marijuana in his system when he was shot dead by neighborhood watchman George Zimmerman in Florida last February.

New York Daily News reports that the medical file was among a range of evidence released on Thursday, that included hundreds of pages of interviews and photos.

It says that tests showed Martin had traces of THC, the active ingredient in pot, in his blood and urine.

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The package of evidence was turned over by prosecutors to defense attorneys days before it was released to the media, CBS says.

CNN says that Zimmerman had made a 911 before the shooting saying that Martin looked like he was "up to no good or he's on drugs or something."

"But, Martin's defenders have portrayed Zimmerman as the aggressor, accusing him of profiling the African-American teen," the news service reports.  However, it adds that the traces of THC found may not "necessarily speak to any level of intoxication" or indicate that he was prone to violence. 

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Reuters quotes Benjamin Crump, an attorney for Martin's family, as saying that the marijuana evidence is "irrelevant", pointing out that police failed to have Zimmerman, who told fire department medics he was taking temazepam for anxiety or insomnia and librax for gastrointestinal disorders, undergo drug and alcohol testing. 

"The relevant thing is George Zimmerman didn't have a toxicology report so we don't know what he had in his system.  We know he (Zimmerman) was on prescription medication but we don't know if he was taking it or not and what effect that would have on him." Crump reportedly said.