Persecuión policial en Fox Lake

THM01. FOX LAKE (IL, EE.UU.), 01/09/2015.- Oficiales en un helicóptero participan en la búsqueda de tres sospechosos armados, supuestos responsables de disparar a un policía, en Fox Lake, Illinois (EE.UU.) hoy, martes 1 de septiembre de 2015. Un policía que perseguía a tres hombres en un suburbio de Chicago fue tiroteado, según reportes de prensa. La búsqueda de los responsables, descritos como un hombre blanco y dos hombres negros, se realiza con sabuesos, helicópteros y en tierra. EFE/TANNEN MAURYTANNEN MAURY (EFE)

Police officers patrol a swampy area in Fox Lake, Ill., during a manhunt after an officer was shot and killed while pursuing a group of suspicious men, Tuesday, Sept. 1, 2015. Authorities in Fox Lake, 55 miles north of Chicago, have notified a number of other law enforcement agencies to ask for assistance, including the FBI, which is sending agents to help in the investigation. (Stacey Wescott/Chicago Tribune via AP) MANDATORY CREDIT CHICAGO TRIBUNE; CHICAGO SUN-TIMES OUT; DAILY HERALD OUT; NORTHWEST HERALD OUT; THE HERALD-NEWS OUT; DAILY CHRONICLE OUT; THE TIMES OF NORTHWEST INDIANA OUT; TV OUT; MAGS OUT; NO SALES Stacey Wescott (AP)

A police officer is lead to an ambulance in the scorching heat during a manhunt after an officer was shot and killed while pursuing a group of suspicious men, Tuesday, Sept. 1, 2015. Authorities in Fox Lake, 55 miles north of Chicago, have notified a number of other law enforcement agencies to ask for assistance, including the FBI, which is sending agents to help in the investigation. (Stacey Wescott/Chicago Tribune via AP) MANDATORY CREDIT CHICAGO TRIBUNE; CHICAGO SUN-TIMES OUT; DAILY HERALD OUT; NORTHWEST HERALD OUT; THE HERALD-NEWS OUT; DAILY CHRONICLE OUT; THE TIMES OF NORTHWEST INDIANA OUT; TV OUT; MAGS OUT; NO SALES Stacey Wescott (AP)

FOX LAKE, IL - SEPTEMBER 01: A police sniper keeps watch from the roof of a home while other police search nearby for suspects involved in the shooting of an officer September 1, 2015 in Fox Lake, Illinois. A manhunt for three suspects is underway after an officer from Fox Lake Police was shot and killed this morning. Scott Olson/Getty Images/AFP == FOR NEWSPAPERS, INTERNET, TELCOS & TELEVISION USE ONLY ==SCOTT OLSON (AFP)

Police officers prepare to take off in a helicopter for a manhunt in Fox Lake, Illinois, United States, September 1, 2015. Police with dogs and helicopters are searching woods and swampy areas north of Chicago for three armed suspects after a police officer was shot dead on Tuesday in the suburb of Fox Lake, a local law enforcement official said. REUTERS/Jim Young TPX IMAGES OF THE DAY JIM YOUNG (REUTERS)

Police officers confer while searching for suspects in the shooting of a police officer Tuesday, Sept. 1, 2015 outside Fox Lake, Ill. Fox Lake Police Lt. Charles Joseph Gliniewitz was shot and killed while pursuing a group of suspicious men. Police with helicopters, dogs and armed with rifles are conducting a massive manhunt in northern Illinois for the individuals believed to be involved in the death of the three-decade member of the department and a father of four sons. (AP Photo/Michael Schmidt)Michael Schmidt (AP)

FOX LAKE, IL - SEPTEMBER 01: An Illinois State Police officer stands guard outside Grant High School as parents arrive to pick up their children while nearby, police continued to search for suspects involved in the shooting death of a police officer September 1, 2015 in Fox Lake, Illinois. The school, only blocks from the search area, remained on lockdown for most of the day. Police are searching for three suspects who killed the officer from the Fox Lake Police Department this morning. Scott Olson/Getty Images/AFPSCOTT OLSON (AFP)

An armed police officer walks throughs a field as authorities take part in a manhunt in Fox Lake, Illinois, United States, September 1, 2015. Police with dogs and helicopters are searching woods and swampy areas north of Chicago for three armed suspects after a police officer was shot dead on Tuesday in the suburb of Fox Lake, a local law enforcement official said. REUTERS/Jim Young TPX IMAGES OF THE DAY JIM YOUNG (REUTERS)