Investigations

Investigations Division

responsibilities include the investigation of criminal incidents throughout Lee County and assisting with the prosecution of individuals responsible for those criminal incidents. The Detectives conduct investigations into a wide variety of criminal activities ranging from illegal drug activity, identity theft, property crimes, domestic violence to homicides, sexual assaults, armed robberies, arson and home invasions.


Additional responsibilities include tracking convicted sex offenders, following up on Crime Stoppers tips from the citizens of Lee County and crime scene processing. The Detective Division operates 8-5 Monday through Friday and on a rotating on-call schedule to ensure detectives are available twenty-four hours per day.


Cold Cases

Amy Todd Fleming,1

Amy Todd Fleming; Homicide January 1996

Amy Todd Fleming (age 25) was born and raised on a farm in rural DeKalb County Illinois. She worked her way through high school and college at the local diner. Amy was employed as a school teacher at the local school, and she was admired and loved by everyone within her community. Amy and her husband, Derek, were actively involved in the show cattle business.

Amy was strangled to death in her home on the cold, snowy night of January 10, 1996. Lee County Sheriff and DeKalb County Sheriff Investigators and the FBI believe Amy’s killer was someone that she was familiar with and the killer attempted to stage the crime scene.

Ralph J. Full,,1967

Ralph J. Full; Homicide 1967

In the early morning hours of August 19, 1967, Ralph Full (age 47) was driving home (Ohio, IL) with his friend and passenger, Joseph Todd (age 41), southbound on IL Rt 26 from US Rt 30 in Lee County, Illinois. While doing so, Ralph stopped on the side of the road to have an altercation with another motorist traveling in the same direction about failing to dim the bright headlights. The motorist fired a firearm into Ralph’s vehicle killing Ralph Full and injuring Joseph Todd. The motorist fled the scene northbound on IL Rt 26.

Deborah Danhaus

Deborah Danhous: Homicide 1971

Deborah Danhaus (age 18) was an Amboy High School graduate and former member of the cheerleader squad and pep club. She had attended Quincy College and worked at Woodhaven Lakes Campground. On the night of August 2, 1971, Deborah did not return to her home in Amboy, IL. She was reported missing by her mother the following day. On August 7, 1971, Deborah’s partially unclothed body was found in a shrubbery ditch on Morgan Rd. outside of Amboy, Lee County, Illinois.

Bonnie R.Kelly and Ronald Stobierski; Missing Persons 2002

June 1, 2002 was the last date that anyone has had any known contact with Bonnie Kelly (born in 1962) and her friend, Ronald Stobierski. Bonnie and Ronald were last seen in Kane County Illinois, but may have been en route to 1177 Walton Rd in Lee County. Joseph Lemmer (deceased 2007) resided at the residence at the time. Lemmer’s son, Keith Maloney (born in 1972), also resided at the residence off and on.

If you have any information regarding this case or any others please contact us:


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