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Published: May 02, 2014 1:09 PM EDT

MIAMI (AP) - A toxicology report shows the woman fatally shot in Miami's Facebook killing wasn't on hallucinogenic drugs.
    
The Miami Herald (http://hrld.us/1kqctUA ) reports the newly released toxicology report is a blow to a defense strategy that intended to show 26-year-old Jennifer Alfonso was the aggressor in the incident last August in South Miami.
    
The attorneys for her 32-year-old husband Derek Medina had asked prosecutors in January to test Alfonso's body for the presence of "bath salts." They say they found 10 bath salt pills hidden inside a bottle in the kitchen.
    
Medina is accused of killing his wife and posting a picture of her body on Facebook.
    
The Miami-Dade Medical Examiner's initial toxicology showed no Alpha-PVP, the substance found in the pills, in her blood or urine. An earlier report indicated there were no behavior-altering narcotics in her system. The only drug found in Alfonso's system was ibuprofen.
    
Defense attorney Rick Yabor told the Herald the issue isn't over for the defense. He said they plan to have their own expert do an examination.
    
Medina is claiming self-defense and faces first-degree murder charges during an Oct. 14 trial. Prosecutors have called the slaying an execution.
    
He told detectives that Alfonso "kept on punching me like crazy" the morning of the shooting.
    
In court, prosecutors have noted that after Medina got into the argument in the kitchen, he walked away, went upstairs and retrieved a pistol and then returned to confront her. He said he disarmed her of a kitchen knife before firing six to eight times.
    
An autopsy report suggested Alfonso may have been on her knees trying to shield her face when he shot her at almost point-blank range.
    
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Information from: The Miami Herald, http://www.herald.com

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