one or more investigator databases communicatively connected to said centralized secure database whereby {HEAD ~ information} residing in said one or more investigator databases is periodically transferred to said {TAIL ~ centralized secure database} and said information is not shared directly between any of said one or more investigator databases 
one or more investigator databases communicatively connected to said centralized secure database whereby { HEAD ~ information } residing in said one or more investigator databases is periodically transferred to said { TAIL ~ centralized secure database } and said information is not shared directly between any of said one or more investigator databases
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL REL OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH