Through-the-wall surveillance (TWS) technology helps officers to determine if someone is in a room before putting themselves in harm's way and to save lives by using motion and images to differentiate between a hostage and a hostage taker.

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Through-the-wall surveillance technology does allow officers to determine if someone is in a room before entering, and can help differentiate between a hostage and a hostage taker, potentially saving lives.

Through-The-Wall Surveillance (TWS) Technology Helps Officers to Determine If Someone