Analysis of CCTV Tear Gas Video from November 24, 2012

A video has been posted online which appears to show the Royal Thai Police having tear gas thrown at them by protesters. This video is available on youtube at:

The portion in question is available at:

On closer examination it is obvious the video is either heavily edited or the feed from the CCTV suffered serious latency issues. This is made even more clear by the time stamp in the upper right corner. A basic overview of the video and the missing frames is presented below.

Time period from 08:52:28 to 08:52:29.

This clip shows the beginning of this section of the video. It appears that the video starts after the first tear gas canister has been thrown. Gas can be seen rising in the air and it appears to be concentrated in the top center of the image right above the flag.

Time period from 08:52:32 to 08:52:33.

Three seconds of video were missing between this clip and the previous clip. The tear gas in the center is stronger and an individual throws a canister towards the police. A logical conclusion can be drawn that he is throwing the canister that was producing tear gas in the first clip. Since the first clip shows gas in an arc across the image, it can be assumed that this canister was first thrown by the police. This is more clearly shown in the image below:

Additional gas is rising in the upper right of the image.

Time period from 08:52:36 to 08:52:37.

Three seconds of video were missing between this clip and the previous clip. This image shows another canister being thrown from the protesters towards the police. The location it is being thrown from, upper right side, is the same as where gas was rising in the previous image. This is shown more clearly below:

Time period from 08:52:40 to 08:52:42.

Three seconds of video were missing between this clip and the previous clip. In this clip more tear gas is rising from the protester side. The protesters are starting to retreat.

Time period from 08:52:44 to 08:52:45.

Two seconds of video were missing between this clip and the previous clip. Something small appears to be thrown from one of the protesters. It does not resemble the other tear gas canisters being thrown.

Time period from 08:52:48 to 08:52:48.

Three seconds of video were missing between this clip and the previous clip.

Time period from 08:52:52 to 08:52:52.

Four seconds of video were missing between this clip and the previous clip. At least two tear gas canisters are clearly being thrown towards the protesters. This is the first time the video shows canisters coming from the police side.

Time period from 08:52:56 to 08:52:56.

Four seconds of video were missing between this clip and the previous clip.

Time period from 08:53:00 to 08:53:01.

Four seconds of video were missing between this clip and the previous clip. Tear gas is now being thrown back towards the police lines. It appears to be coming from the same location the tear gas from 08:52:52 landed. This is probably the same tear gas canister being thrown back towards the police:

The following image posted to twitter shows a protester throwing a tear gas canister back towards the Police. It is of the same type used by the Thai Police and may correspond to these frames in the video:

Time period from 08:52:04 to 08:52:05.

Three seconds of video were missing between this clip and the previous clip. A tear gas canister appears in the middle of the image. It is impossible to determine where it came from because those frames are missing from the video.

Time period from 08:52:08 to 08:52:08.

Three seconds of video were missing between this clip and the previous clip.

Without more information it is impossible to know if the missing frames were caused by the CCTV system or by a deliberate attempt to mislead. Either way, this video presents a very deceptive view of the events it presents.

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One Response to Analysis of CCTV Tear Gas Video from November 24, 2012

  1. isaanlive says:

    great investigative piece thx

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