ECC students and Elgin police explorers act as protesters by linking themselves together with pvc pipe during a ILEAS police response team training exercise Thursday at Elgin Community College. Tactics like this are part of the training used by ILEAS team members. September 27, 2012 | Michael Smart~Sun-Times Media

A group of students and police explorers act as an unruly mob as ILEAS members confront them Thursday during ILEAS police response team training at Elgin Community College. September 27, 2012 | Michael Smart~Sun-Times Media

Police helicopters were used during Thursday's ILEAS police response team training at Elgin Community College. September 27, 2012 | Michael Smart~Sun-Times Media

ILEAS police response team members conduct training exercisesThursday at Elgin Community College. September 27, 2012 | Michael Smart~Sun-Times Media

ILEAS team member William Sullivan of the Aurora Police Department uses a LRAD (long range acoustic device) during ILEAS training at Elgin Community College. Also pictured is Sgt. Geoff Cooker. September 27, 2012 | Michael Smart~Sun-Times Media

ILEAS police response team members carry out a student acting as a protester Thursday during training exercises at Elgin Community College. September 27, 2012 | Michael Smart~Sun-Times Media

ECC student Kyle Smudde of St. Charles gets taken down by Huntley police officer Adam Dean (left) and other officers who are members of the ILEAS (Illinois Law Enforcement Alarm System), during a training exercise Thursday at Elgin Community College. September 27, 2012 | Michael Smart~Sun-Times Media

ILEAS commander and Elgin police Lt. Matt Udelhoven talks to volunteer protesters on the next drill they will conduct during ILEAS police response team training Thursday at Elgin Community College. September 27, 2012 | Michael Smart~Sun-Times Media

Dog trainer Alex Rothacker of Tops Kennels, lends a hand to a police dog during ILEAS police response team training Thursday at Elgin Community College. September 27, 2012 | Michael Smart~Sun-Times Media

K-9 officers take part in ILEAS police response team training Thursday at Elgin Community College. September 27, 2012 | Michael Smart~Sun-Times Media

Sgt. Stan St. Clair hikes through grass with police dog named Hunter, as they search for a mock gun during ILEAS police response team training Thursday at Elgin Community College. September 27, 2012 | Michael Smart~Sun-Times Media

A police helicopter flies over ECC during ILEAS police response team training Thursday at Elgin Community College. September 27, 2012 | Michael Smart~Sun-Times Media

SWAT team members practice drills during ILEAS police response team training Thursday at Elgin Community College. September 27, 2012 | Michael Smart~Sun-Times Media

A crowd of student volunteers prepare to act as a unruly crowd during ILEAS police response team training Thursday at Elgin Community College. September 27, 2012 | Michael Smart~Sun-Times Media

SWAT member Shawn Schroeder trains along with the ILEAS police response team Thursday at Elgin Community College. September 27, 2012 | Michael Smart~Sun-Times Media

ECC student Hannah Larsen (center) of West Dundee plays a protester during ILEAS police response team training Thursday at Elgin Community College. September 27, 2012 | Michael Smart~Sun-Times Media

ILEAS police response team officers work on breaking up a protest during training Thursday at Elgin Community College. September 27, 2012 | Michael Smart~Sun-Times Media

Sgt. Stan St. Clair walks with police dog Hunter during a ILEAS training exercise Thursday at Elgin Community College. September 27, 2012 | Michael Smart~Sun-Times Media

ILEAS police response team training Thursday at Elgin Community College. September 27, 2012 | Michael Smart~Sun-Times Media

Police officers Mike McCarthy (left) and Morgan Brown during ILEAS police response team training Thursday at Elgin Community College. September 27, 2012 | Michael Smart~Sun-Times Media

ILEAS police response team training Thursday at Elgin Community College. September 27, 2012 | Michael Smart~Sun-Times Media

Police officer Jason Lentz sits atop the Elgin Police Department's BATT-mobile during ILEAS police response team training Thursday at Elgin Community College. September 27, 2012 | Michael Smart~Sun-Times Media

A police dog displays his teeth during a ILEAS police response team training exercise Thursday at Elgin Community College. September 27, 2012 | Michael Smart~Sun-Times Media