State policy is that duplicate reports be screened in and referred to the already open assessment/investigation workgroup. Hennepin County's practice in this case was to screen out the duplicate reports. 
Relevant to multiple Child maltreatment reports that were screened out in this case, under the Dispositions/Screening decision reads: Screened out - duplicate report; physical abuse allegations are already being assessed.
After receiving and screening in an initial CP intake/child maltreatment report regarding the critical incident, subsequent intakes regarding the critical incident (duplicates) were received by the local agency. These duplicate CP intakes/child maltreatment reports were screened out and referred to the staff working the CP investigation.