I know it was immediately they were called, and were there very, very fast. Heck from downtown it's a very quick drive. What's the saying "In STL you're 20 minutes from anywhere" ... or used to be before 40 construction ;-)
Yeah, MCS would have been there quickly, here's the participating agencies:
Alton Police Department Alton Southern Railroad Police
Arnold Police Department Ballwin Police Department
Bel Ridge Police Department Bel-Nor Police Department
Bellfountaine Neighbors Police Belleville Police Department
Berkeley Police Department Bond County Sheriff's Department
Breckenridge Hills Police Brentwood Police Department
Bridgeton Police Department Cahokia Police Department
Calverton Park Police Centerville Police Department
Charlack Police Department Chesterfield Police Department
Clayton Police Department Collinsville Police Department
Columbia Police Department Cool Valley Police Department
Crestwood Police Department Creve Coeur Police Department
Crystal City Police Department Dellwood Police Department
Des Peres Police Department Desoto Police Department
East St. Louis Police Department Edmundson Police Department
Ellisville Police Department Eureka Police Department
Fairmont City Police Department Fairview Heights Police Department
Ferguson Police Department Festus Police Department
Florissant Police Department Florissant Valley Community College
Franklin County Sheriff's Department Frontenac Police Department
Glen Carbon Police Department Glendale Police Department
Granite City Police Department Greenville Police Department
Hazelwood Police Department Herculaneum Police Department
Highland Police Department Illinois State Police Department
Jefferson County Sheriff's Department Jennings Police Department
Kirkwood Police Department Ladue Police Department
Madison County Coroner Madison County Sheriff's Department
Madison Police Department Manchester Police Department
Maplewood Police Department Maryland Heights Police Department
Maryville Police Department Mascoutah Police Department
Millstadt Police Department Missouri State Highway Patrol
Moline Acres Police Department Monroe County Sheriff's Department
New Athens Police Department Normandy Police Department
Northwoods Police Department O'Fallon, Illinois Police Department
O'Fallon, Missouri Police Department Olivette Police Department
Overland Police Department Pevely Police Department
Pontoon Beach Police Department Richmond Heights Police Department
Riverview Police Department Rock Hill Police Department
S.I.U.E. Police Department Sauget Police Department
Shrewsbury Police Department St. Ann Police Department
St. Charles Police Department St. Charles County Sheriff's Department
St. Clair County State's Attorney St. Clair County Coroner
St. Clair County Sheriff's Department St. John Police Department
St. Louis Metropolitan Police St. Louis County Police Department
St. Peters Police Department Sullivan Police Department
Sunset Hills Police Department Swansea Police Department
Town and Country Police Department Troy, Illinois Police Department
U.M.S.L. Police Department United States Marshal's Service
Union Pacific Railroad Police University City Police Department
Vinita Park Police Department Warren County Sheriff's Department
Warrenton Police Department Warson Woods Police Department
Washington Police Department Waterloo Police Department
Webster Groves Police Department Wentzville Police Department
Wood River Police Department Woodson Terrace Police Department