Since then, Springfield Police, family, and friends of the missing women and the community have chased leads and fought for answers.
Police say retesting decades-old evidence may be the future of this case.
McCall left messages on the phone at 1717
"Stacy this is your Mom calling," she says on the tapes. "Please call me at home. Bye."
her 18-year-old daughter Stacy McCall, and Stacy's 19-year-old friend Suzie
Streeter graduated from
The girls were eager to head out to graduation parties, but after making stops at several parties the girls opted to return to Streeter and Levitt's home. Police believe the women went missing sometime between and
Stacy McCall, Suzie Streeter and Sherill Levitt have never been seen again. Cars and purses were left behind. No sign of struggle. Nothing out of place -- except for a broken glass globe over the porch light. Janis McCall pushed police to investigate.
"Obviously something is wrong here," he says.
In 1992, Marionville Police Chief Mark Webb was then a 34-year-old officer on the Springfield Police force in charge of crimes against persons.
"There was a lag there, of at least a day before it really got rolling."
The women disappeared over a weekend.
"Basically as soon as we realized that this was not the normal missing person," recalls Webb.
Detectives who returned to work Monday began backtracking, retracing the women's steps and their last contacts.
"You're contacting where the people were last seen, at the parties, there's lots of people at the graduation party. Did you see anything, did you hear anything, did you notice anything unusual?"
There were searches by air, land and water.
"Then it became so big, so fast that the police department was basically overwhelmed." The FBI was called in. "National media came. They had full access."
Video was shot in the interior of the home, of detectives as they worked, of every aspect of this case as it unfolded. Days turned to weeks, months and years. The department would often refocus the case, putting a new detective on it looking for answers, something missed.
prompted digs, looking for the women's remains on property in
"They called me," says Lt. David Millsap. "And said we have a cold case review team that looks at these cases."
The department did its homework.
"We figured out early on this was not going to be an easy process. We have over 25,000 police reports -- over 5,000 investigative leads."
In 1992, many reports were hand-written. Many leads jotted on small note cards from the hundreds of calls that came in. A four-person team reorganized the documents. Made them digital.
"That took nearly a year and a half," says Lt. Millsap.
On the team, the most veteran detective has been with the department more than 20 years. The youngest of the detective was in junior high in 1992.
"Almost have a new generation of investigators know the case," says Lt. Millsap.
April Washington, D.C. visit, three people from NCMEC visited
took a little field trip around
The April 2012 presentation in DC lasted nearly 3 full days in front of a 25-person panel of criminal experts.
"We went over physical evidence that was collected at the scene. We went over the timelines of the victims. We also discussed some of the people looked at as possible suspects. There are people that we have looked at and are completely ruled out. There are people we have looked at for the last 20 years and are still not completely ruled out.
profession has improved so much since 1992, especially in the area of science,
so is there a piece of
"I will tell you that we are constantly reviewing evidence that is found at the scene and we will, I think, have the opportunity to have some things retested."
A reward fund of $42,000 has been established for the location and prosecution of the person or persons responsible for the abduction of the three women.
Anyone with information is asked to call our Crime Stoppers tip line at 869-TIPS (8477), or submit a tip on-line through our Crime Stoppers link or to directly call the police department.
Special Coverage: KOLR/KOZL's "Three Missing Women" Page