In the last census, forest officials used more scientific methods, including hidden cameras and DNA tests.
Hidden cameras are associated with net falls in speeds, crashes and casualties when compared with visible ones.
They come to him to install surveillance camera systems and perform sweeps for hidden cameras and bugs.
The minister of transport, John Spellar, has chosen to ignore his own department's research showing, unsurprisingly, that hidden cameras work best.
According to the complaint, the hidden cameras used to record customers pin numbers were connected to memory cards that stored the footage.
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The partnership said it would not be placing bags on the 72 hidden cameras because it does not want to reveal their location.
BBC: Plastic bags to be put over Birmingham 'terror cameras'
The eHarmony relationship lab consists of four windowless interview rooms, each of them furnished with a couch, easy chairs, silk flowers, and semi-hidden cameras.
We need evidence that they are more effective than hidden cameras.
For that you get a tear gas canister system originally designed for prisons, as well as bullet-blocking doors and hidden cameras (to record the intruder's malfeasance).
Using hidden cameras, OTL recorded the men openly exchanging money with one another, even as they were just a few feet away from a uniformed police officer in one instance.
Hidden cameras were installed to capture the bloggers surprise.
Some follow a narrative of sorts, such as Will Berridge and Olmo Rodriguez Roces's article on Broadwater Farm, where the riots of 2011 began, through to Pio De Rose's play on Walker Evans's Beauties of the Common Tool, in which she photographs hidden cameras.
Police installed hidden surveillance cameras in the designated work area where paintings were openly displayed, the district attorney said.
For that, you get measures including ballistic grade doors capable to blocking bullets, hidden security cameras and a gas canister system originally designed for the prison industry, which drops temporarily debilitating blankets of chemicals.
Mr Rai's team use spy cameras hidden in watches, key chains, lockets and shirt buttons.
Cameras hidden across the street were covering the scenes that were then uploaded for live viewing globally.
Mrs Sandiford, who was born in Redcar, Teesside, covered her head with a blue scarf to keep it hidden from the cameras.
The writers are surely poised, the cameras hidden: the trap set.
An awful story making the rounds today comes to us from Tampa, Florida, where two exchange students from Bulgaria discovered that their rented apartment had cameras hidden in smoke and motion detectors in their bathroom and bedrooms.
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By using hidden microphones, video cameras and lighting-fast animation, cartoon Crush swoops from screen to screen throughout the restaurant, interacting with the crowd in a way that made him seem... alive.
If British troops do come under threat from insurgents, they have new technology to gather intelligence - the Black Hornet, a miniature surveillance helicopter with cameras to spy out hidden dangers.
People got more innovative with technology, using hidden devices such as pinholes and pen cameras.
Cameras, he thinks, should be small and unobtrusive, though never hidden.
From a hidden command post, police will monitor images of the city, using images from 500 cameras, officials said.
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