updated 8/26/2010 7:43:00 PM ET 2010-08-26T23:43:00

A device designed to control unruly inmates by blasting them with a beam of intense energy that causes a burning sensation is drawing heat from civil rights groups who fear it could cause serious injury and is "tantamount to torture."

The mechanism, known as an "Assault Intervention Device," is a stripped-down version of a military gadget that sends highly focused beams of energy at people and makes them feel as though they are burning. The Los Angeles County sheriff's department plans to install the device by Labor Day, making it the first time in the world the technology has been deployed in such a capacity.

The American Civil Liberties Union of Southern California criticized Sheriff Lee Baca's decision in a letter sent Thursday, saying that the technology amounts to a ray gun at a county jail. The 4-feet-tall weapon, which looks like a cross between a robot and a satellite radar, will be mounted on the ceiling and can swivel.

It is remotely controlled by an operator in a separate room who lines up targets with a joystick.

The ACLU said the weapon was "tantamount to torture," noting that early military versions resulted in five airmen suffering lasting burns. It requested a meeting with Baca, who declined the invitation.

The sheriff unveiled the device last week and said it would be installed in the dorm of a jail in north Los Angeles County. It is far less powerful than the military version and has various safeguards in place, including a three-second limit to each beam of heat.

The natural response when blasted — to leap out the way — would be helpful in bringing difficult inmates under control and quelling riots, the sheriff said.

But the sheriff was creating a dangerous environment with "a weapon that can cause serious injury that is being put into a place where there is a long history of abuse of prisoners," ACLU attorney Peter Eliasberg said. "That is a toxic combination."

Cmdr. Bob Osborne, who oversees technology for the sheriff's department, said the concerns were unfounded. He said he stood in front of the beam more than 50 times and that it never caused any sort of lasting damage.

"The neat thing with this device is you experience pain but you are not injured by it," Osborne said. "It doesn't injure your skin, the beam doesn't have the power to do that."

He said the device would be a more humane way of dealing with jail disturbances. Unlike hitting inmates with batons or deploying tear gas, a shot from the beam has no aftereffects, he said.

The device was made specifically for the sheriff's department by Raytheon Missile Systems. Sheriff's spokesman Steve Whitmore said its $750,000 cost was paid for by a Department of Justice technology grant.

After a six-month trial, the sheriff will determine if the device is effective and if it should be deployed in other jails.

"When this pilot program is done, the realistic hope is it will accomplish not only what the sheriff's department wants but what the ACLU wants, which is to save lives harmlessly," Whitmore said.

A Raytheon spokesman on Thursday referred questions to the sheriff's department, but provided a fact sheet describing how the device only penetrates skin to a depth 1/64 of an inch. The military's version of the device can shoot a beam more than 800 feet but the sheriff's department model has a maximum range of 85 feet.

Angelica Arias, an attorney with the county's Office of Independent Review, which monitors the sheriff's department, said only deputies with special training would be able to use the device and a video would be automatically recorded each time it is operated.

"Based on the level of scrutiny the department has put on itself and its training, it doesn't appear there would be too much wiggle room for misuse," Arias said.

Copyright 2010 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

Video: 'Pain ray' to be tested on U.S. inmates

  1. Closed captioning of: 'Pain ray' to be tested on U.S. inmates

    >> those aren't people at a very, very elementary acting class. those are people meeting the pain ray . or to use its given name the active denial system . the active denial system . sounds like an indexed term in a child psychology textbook. it's actually a pain ray . an invisible pain ray developed by the defense contractor rafeyon for the u.s. military . it shoots a beam of millimeter waves that penetrates human flesh through your clothing causing a sensation akin to being hit with scalding water or by the blast of heat you get when you open a hot oven. once the pain ray hits you the only way to stop the pain is to -- watch what these guys do. get out of the way of the pain ray . run away. after being developed it was sent to afghanistan this summer to be used as a crowd control device. as they say, in the field. in the war zone . on people other than volunteers and journalists. interesting point, though, the military didn't accept it. the military promptly sent the pain ray back to the united states from afghanistan without using it. military spokesman saying only that, quote, the operational need for the device was not approved by commanders. so no reason given as to why it wasn't approved. it just wasn't approved. you think of all the things the military has approved over time, but this, the pain ray , this was too far for them. too much. they didn't want it. and so now because the u.s. military has determined that the pain ray is not suitable for use in a war zone , the pain ray is coming home . the pain ray is coming home to be used here, against americans. against american prisoners. at the detention center in castayet, california. the prisoners deemed unruly at this facility will find themselves on the receiving end of the smaller version too hot for afghanistan military pain ray . the full-scale version is called the active denial system . as i said, the smaller one they'll be using in the jail, they're calling it an assault intervention device. same pain, different name. the military one gets mounted on a humvee. the jail one you see right here, it's about 7 1/2 feet tall and apparently lives in this office. the jail got the device for free as part of an operational evaluation by the department of justice and penn state university . so it's sort of an experiment. an experiment on prisoners. want to see what it does again?

    >> oh!

    >> 1 1,000, 2 1,000, 3 --

    >> because it was supposed to be used for the military the pentagon funded the development of the pain ray to the tune of about $40 million. the pain ray will be used against americans in a trial. a publicly funded experiment. for which people who are locked up in los angeles county 's jails did not volunteer. america, these are your tax dollars at work. get


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