(Leah Hogsten | The Salt Lake Tribune) Salt Lake International Airport travelers began using Automated Target Recognition scanning devices. Plain-clothed TSA employees at Terminal One, demonstrated the body scan technology, or Automated Target Recognition, that takes about seven seconds and only reveals a computer generated body shape Wednesday, August 17 2011 in Salt Lake City. . The scan image is generic, not specific to male or female anatomy. The outline of the figure is gray and only pops up if the machine detects a metal or plastic item on a person as he or she goes through the scanner. New imaging systems designed to provide "enhanced privacy" for passengers by using generic body types were unveiled by Transportation Safety Administration officials Wednesday at Salt Lake City International Airport. (PAUL FRAUGHTON | Tribune file photo) With religious, community, business and government leaders behind him, Utah Gov. Gary Herbert last year signs into law immigration bills passed in the 2011 Legislature. This year's session convenes Monday. (Scott Sommerdorf | Tribune File Photo) Protesters angry about the Legislature's redistricting plans, chant "Just Vote No!" in the rotunda of the Utah Capitol building in October 2011. The 2012 Legislature convenes Monday at the Capitol. (Courtesy Photo) , Ronald Reagan Presidential Library President Reagan signed the Immigration Reform and Control Act in the Roosevelt Room on Nov. 6, 1986. He declared that the amnesty legislation would allow those living in the shadows to step into the sunlight and onto the path of U.S. citizenship. Supporters include, left-to right, Reps. Hamilton Fish, R-N.Y., Dand Lundgren, R-Calif., Peter Rodino, D-N.J., Sen. Alan Simpson, R-Wyo., Vice President George H.W. Bush, President Reagan, Sen. Strom Thurmond, R-S.C., Reps. Romano Mazzoli, D-Ky., Carlos Moorhead, R-Calif., and Charles Schumer, D-N.Y. (Trent Nelson | The Salt Lake Tribune) Highland High School teacher Scott Thomas gives 8th grade students from Hillside Middle School an overview of his Industrial Design class in Salt Lake City, Utah, Tuesday, January 10, 2012. The field trip is a unique approach to make the transition from middle school to high school easier for students and ensures that their 8th graders are better equipped to make wise and useful class choices when registering for high school. (Djamila Grossman | The Salt Lake Tribune) Gerardo Flores, 16, left, and Hugo Aguilar, 16, holds signs as they gather with other local youth outside the Capitol to read messages regarding immigration bills in the Legislature, in Salt Lake City, Utah, on Wednesday, March 9, 2011. The rally was themed Our Future is on the Line and was organized by a group called "YEAH and Justice." (Photo by Chris Detrick | The Salt Lake Tribune) Deborah Boede shops at the the Utah State Liquor Store at 402 East 6th Ave Tuesday April 26, 2011. Nine Utah liquor stores targeted for closing this summer will stay open at least until February of next year. In addition, store operating hours will not be cut, and more than 100 liquor store employees, slated for layoffs, will keep their jobs. (Rick Egan | The Salt Lake Tribune) I-15 freeway construction, looking south from an overpass in Utah County, Monday, September 12, 2011. (Photo by Leah Hogsten | The Salt Lake Tribune) Above, Ted Gurney of SLC (center) joined other Medicare and Medicaid insured citizens fighting against cuts. Disabled Rights Action Committee and the Anti Hunger Action Committee held a rally outside the Senate floor at the Utah Capitol Tuesday, February 23, 2010 to protest Senator J. Stuart Adams' sponsorship of HB 67. SLC 2/23/10 (SCOTT SOMMERDORF | Tribune file photo) Jose "Pepe" Gutierrez, right, holds the American flag as he talks with Salt Lake County Assessor Lee Gardner, center, in the Utah Capitol Rotunda last year. The 2012 Legislature convenes on Monday.