Last seen in:
- Wall Street Journal - Jul 29 2017 - Split Personalities
- Newsday.com - Jul 20 2016
- Wall Street Journal - Jun 3 2016 - Secret Ingredients
- The Washington Post - Apr 21 2016
- Wall Street Journal - Sep 11 2015 - September 11, 2015 - Deconstruction
- Newsday.com - Oct 11 2012
- New York Times - Aug 24 2011
- L.A. Times Sunday - Sep 14 2008
- Universal - Jan 9 2007
- Universal - Jul 21 2005
Related Clues:
- Eyes and ears
- Tracking systems
- Tracking devices
- Radar guns, e.g.
- Eye, ear and nose
- Photocells
- Some highway patrol equipment
- Motion detectors
- Air traffic control devices
- Storm trackers
- Some control tower equipment
- Security system parts
- Air traffic devices
- Systems to track storms
- Devices to receive signals or stimuli