Did a reporter for ABC News inadvertently leak the existence of secret audio of a 911 call made by 17-year-old Trayvon Martin the night he was shot to death in Sanford, Florida?

On Tuesday night, several ABC affiliates aired video footage of an ABC7 news report which claimed the FBI had in its possession an audio of a 911 call made by Trayvon moments before he was shot by overzealous neighborhood watch person George Zimmerman.

Less than an hour later, that video footage was mysteriously scrubbed from the Internet.

The Daily Kos, a large conservative think tank blog with millions of visitors a day, also published the footage in a post titled “Trayvon Martin Called 911 Moments Before Being Shot.”

But less than an hour later, the Daily Kos page that linked to the video footage of the ABC report was taken down.

Viewers who saw the ABC news report before it mysteriously vanished took to message boards and social network websites to share what they heard.

According to audio posted on this blog, the ABC affiliate stated the audio of the 911 call was being enhanced by the FBI to determine what Zimmerman is saying to Trayvon in the background.

Others say the ABC affiliate reporter misspoke, and that the 911 audio he was alluding to was a 911 call made by an ear witness in the gated community where Trayvon was shot and killed by Zimmerman.

In one of the 911 calls released by the Sanford police department, someone can be heard in the background screaming for help. But there is another voice in the background that is barely perceptible.

Multiple voices can be heard on the 911 tape: a male and female (and maybe a small child) inside the home where the 911 call originated; a voice screaming for help in the background, and a calmer voice also heard in the background. Some believe that the calmer voice belongs to Zimmerman, who is talking to Trayvon before he shoots him.

Some are wondering, if audio of Trayvon’s 911 call really did exist, why that 911 call didn’t show up on Trayvon’s cell phone records which were shown to the media by Trayvon’s attorney Benjamin Crump.

A member of the Democratic Underground message board, who has knowledge of telephone company procedures, wrote in a message on the board Tuesday:

“I have had cases where 911 calls do not show up on consumer viewable phone records. Not billable. Need ITMS logs.”

If evidence of Trayvon’s 911 call really does exist, it would blow apart Zimmerman’s claims that he acted in self defense when he shot and killed the Miami Gardens teenager who was trying to make it back home, with a bag of candy and a drink, in time to watch the 2nd half of the NBA All Star game.

Photo of kids for Trayvon: itsybitsysteps.com