While King didn't accuse the authorities of tampering with the evidence, he noted that the camera footage was the latest odd occurrence in a string of oddities.

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"We have had what I think is a series of events that causes you to raise the question, when does a coincidence stop being a coincidence," King told reporters Wednesday in Valdosta, Ga., CNN reports.

Attorneys for Lowndes County Sheriff Chris Pine and the Lowndes County High School say that the video that the family has is the raw footage and contains no edits.

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New of potential video-footage tampering comes on the heels of CNN obtaining a report from the coroner's office through an open records request, which shows that the coroner believes the crime scene was compromised.

"I was not notifed in (sic) this death until 15:45 hours. The investigative climate was very poor to worse when I arrived on the scene. The body had been noticably (sic) moved. The scene had been compromised and there was no cooperation from law enforcement at the scene. Furthermore the integrity of the evidence bag was compromised on January 13, 2013, by opening the sealed bag and exhibiting the dead body to his father," wrote Lowndes County Coroner Bill Watson in a report dated Jan. 22, CNN reports.

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"I do not approve of the manner this case was handled. Not only was the scene compromised, the body was moved. The integrity (sic) was breached by opening a sealed body bag, information necessary for my lawful investigation was withheld," he said.

The U.S. attorney's office in Macon, Ga., opened an investigation into the case last week. That investigation was also prompted by federal prosecutor Michael Moore's review of evidence collected by both authorities and the family's own investigator, which concluded that "sufficient basis exists" to warrant a formal review of the facts, CNN reports.

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Read more at CNN.