Here is how Harrison worded his recommendations:
Re Visiting Previously Searched Areas.
In considering the two scenarios that Madeleine McCann has been murdered and her body disposed of by a person on foot or in a vehicle, I have reflected on the areas within zone 1 that have been previously searched or subject to forensic examination.
Mark Warner Creche at Praia Da Luz.
This is the location of the last confirmed sighting by a person independent of family members of Madeleine McCann. Although this location was within the original search area it may well benefit from a further search using enhanced detecting methods for human remains. This will depend on the size of any outside grounds and concealed areas inside the building.
McCann's Apartment.
The apartment in which the McCann's had stayed may present further
opportunities to search. The use of a specialist EVRD (Enhanced Victim
Recovery Dog) and CSI dog (human blood detecting dog) could potentially indicate on whether Madeline's blood is in the property or the scent of a dead body is present. In relation to the dead body scent if such a scent is indicated by the EVRD and no body is located it may suggest that a body has been in the property but removed. This search process could be repeated in all the apartments that were occupied by the friends holidaying with the McCann's.
Murat's House and Garden.
The property has been forensically examined to recover any surface trace evidence however the house and gardens may benefit from a fully invasive specialist search to preclude the presence of Madeleine McCann.
A method previously employed on similar cases has been to use the below assets.
Deploy the EVRD to search the house and garden to ensure Madeleine McCann's remains are not present. The dog may also indicate if a body has been stored in the recent past and then moved off the property, though this is not evidential merely intelligence.
Deploy the CSI dog to search the house to locate any human blood.
This will act in support of the forensic examination already completed.
An inhibiting factor will be on areas where Luminol has been used.
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Deploy geophysical instruments in the house and garden to detect any burial of a body or concealment in voids.
These specialists should be supported by physical search teams exploring and accessing all areas where concealment of a child's body could be made typically 0.5m.
Murat's Vehicles.
All vehicles Murat has had access to have been forensically examined to recover any surface trace evidence however they may all benefit from a full search by the EVRD and CSI dogs. They may be able to detect whether a dead body has been transported in one of the vehicles for intelligence purposes or detect human blood deposits that can be recovered and
examined in a laboratory for Madeleine McCann's blood.
Open Area to East of Praia Da Luz.
This open area between the village urban limits and the Boavista golf club to the east and includes a plateau on which sits a trig point and mobile phone mast.
This area has been previously searched by officers and dogs walking through the area to check for Madeleine McCann's visible remains. However considering the new scenario of Homicide and concealed deposition this area affords many opportunities to dispose of a body. Within this area there are old empty properties, wells, thick vegetation, pockets of soft sand and natural fissures in the cliffs. Whilst there is no intelligence she is buried or concealed in this land it would be a natural place an offender may choose dose to the Village using the least effort principle. A proportionate response may therefore be considered to conduct a search of this area using a team of Victim Recovery Dogs (VRD) that are specifically trained to located concealed human remains.
Prior to undertaking this task it would be beneficial to consult with a Forensic Anthropologist with knowledge of this region of Portugal to give opinion as to the likely state of any remains to be found. Further research could also be conducted with regards to the natural scavenging predators in the area.
An inhibiting factor is that since the disappearance of the child an old empty house adjacent to the Trig Point on the Rocha Negra has been demolished and all rubble removed, If she was concealed within this property the search would be unlikely to detect her now.
Praia Da Luz Beach and Shoreline.
The beach and shoreline are bounded by high cliffs and shallow waters. The beach has fine granular sand and provides easy digging. However the beach is extensively used by tourists and locals and af?rds minimal areas of cover from view for concealment. It may be considered appropriate to use the VRD dog team supported by geophysical GPR to sweep the beach. This would be
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a considerable time and cost undertaking and should be weighed in the absence of specific intelligence.
Search Duration.
If all the described assets were deployed it would be likely all assets would complete their searches within one week.
You are left in no doubt that these are Harrison's recommendations ....