Law Enforcement Program Faculty
Real-world experience and outstanding academic credentials.
Dr. Wayne A. Johnson, Associate Professor
LEJ and Forensic Science Program Coordinator
B.A., Lewis University
M.S., Lewis University
Ed.D., Northern Illinois University
Building H, Room H170
- Former suburban police chief
- Former chief investigator for Chicago Crime Commission
- Investigative/training consultant for law enforcement
- Numerous awards, including seven department commendations, 80 honorable mentions and the Profiles in Courage Award from the Illinois Academy of Criminology (2002)
- Former chief investigator for Chicago Crime Commission and the author of "A History of Violence: An Encyclopedia of 1,400 Chicago Mob Murders."
B.S., Judson University
M.A., Western Illinois University
F.B.I. National Academy, Quantico, Virginia
Southern Police Institute, University of Louisville, Kentucky
Building H, Room H171
Grossman served 27 years with the Palatine Police Department, starting in patrol and rising to the rank of Deputy Chief. As Deputy Chief, he was responsible for personnel management and the police officer selection & sergeant promotional processes, as well as overseeing the Support Services Division. As Training Director of the Northwest Police Academy, he coordinated police executive training for more than 75 suburban law enforcement agencies. His passion for teaching stems from his respect for law enforcement and love for students. He teaches Intro to Criminal Justice, Patrol Procedures, and Investigative Procedures, and as a certified instructor on the Ti Use of Force Simulator, incorporates use of force training into the curriculum.
Kenneth B. Blachut
B.S., Lewis University
M.S., Lewis University
Blachut brings 40+ years of law enforcement expertise to the classroom through his experience as a Chicago police cadet and as a dispatcher, patrol officer, tactical officer, detective, detective corporal, detective sergeant and detective commander at the Norridge Police Department. Blachut has taught criminal justice classes at University of Illinois at Chicago, Kaplan University and Harper College. He is state licensed breathalyzer operator and private detective.
An Elgin police officer since 1995, Lawrence is a certified juvenile officer and assigned to Juvenile Investigations. Lawrence has worked in the patrol division and the major investigations division. He also was assigned to an Illinois State Police cold case homicide unit for two years. Lawrence enjoys teaching various criminal justice courses at Harper College, as well as serving as an instructor for juvenile law and procedures at the Suburban Law Enforcement Academy at the College of DuPage.
M.S., Western Illinois University
Special Agent Robert Lessnau started his law enforcement career in 1995 serving as a community service officer/desk officer with the Prospect Heights and Buffalo Grove Police Departments. While at the Prospect Heights Police Department, Lessnau served as patrol officer and detective. He is a state certified juvenile officer, evidence technician, and accident investigator. In 2008, Lessnau was hired as a special agent with the U.S. Department of Homeland Security. He is currently assigned to a counter-terrorism unit.
B.A., University of Wisconsin
M.S., University of Illinois
Levit's experience includes holding positions as a criminal intelligence analyst at the Illinois State Police Department and as a correctional intern counselor at the Metropolitan Correctional Center in Chicago. Levit teaches criminal justice, corrections, juvenile justice and criminology at Harper College.
M.A., Adler School of Professional Psychology
M.S., Loyola University
Martinez is a retired Chicago police officer, trained in the police Crisis Intervention Team (CIT) where alternative treatment for persons with mental illness is advocated instead of incarceration. He served as a police officer for the Chicago's Department of Aviation and a correctional officer at Joliet Correctional Center where he supervised and worked to rehabilitate maximum security inmates. He is a veteran of the U.S. Army. He authored a book titled "The Secret Deaths: Police Officer's Testimonial Views on Police Suicides and Why Suicides Continue to Be Hidden in Police Departments." He is a contributing writer for The National Chief of Police Magazine and a consultant for police departments throughout the Chicago area.
A.A.S., Harper College
B.S., Western Illinois University
Northwestern University Police Staff and Command School
Police Training Institute at the University of Illinois
Randy Sater served on the Bloomingdale Police Department for 30 years and in his last assignment he served as the Deputy Chief of Operations, where he supervised the patrol division, the investigation section, and the tactical unit. He was also in charge of training, and investigated internal complaints. He also served as a patrol shift Watch Commander, patrol shift Sergeant, Detective, and Patrol Officer. He has also served as an Evidence Technician, Field Training Officer, DARE Officer, Traffic Crash Reconstructionist, Radar Instructor, and Juvenile Officer. In addition to teaching at Harper, Sater also teaches current police officers in advanced accident investigation and instructor development for Northeast Multi-Regional Training.
Smith has been an adjunct instructor at Harper College since 1993. He retired as a Lieutenant from the Schaumburg Police Department in 2011 after serving for thirty-two years. He brings to Harper College an extensive background in crime scene forensics, as well as computer forensics and investigations. During his tenure with the Schaumburg Police Department he worked as an evidence technician, property custodian, court liaison officer and as a detective. He was a member of the Illinois Attorney General's Task Force for Child Exploitation over the Internet and the U.S. Secret Service's Chicago Electronic Crimes Task Force. He is an original members of the Northwest Suburban Major Crimes Assistance Team.
B.A., Western Michigan University
M.A., DePaul University
Chicago Police Academy
Tellschow is a former Harper student and has been a police officer for 11 years with the Bartlett Police Department. During this time, Tellschow has served as an instructor in Defensive Tactics, CPR/First Aid, Firearms, Drug Abuse Resistance Education (DARE), and Drug/Gang Suppression Tactics. Tellschow held positions as a Tactical Emergency Medical Service Officer (TEMS) with the Bartlett Police entry team (SPEAR), was a member of the Directed Patrol Team (Tactical Unit), Crime Prevention Unit, Major Crimes Assistance Team (MCAT Surveillance), and currently is a member of the Patrol Unit. Tellschow has earned state certifications as an Evidence Technician, Juvenile Officer, Drugged Driver Detection Officer, as well as a state certification in Crime Prevention through Environmental Design. Tellschow has instructed at the Suburban Law Enforcement Academy (SLEA) and teaches Criminal Justice and Criminology at Harper.