Ch Insp Jill Harper has urged people to check cash machines "very carefully" before using them.
"Firstly it's the victim that's approached, " added Insp Davies, who leads the force's restorative justice scheme.
Insp Kirsty Shannon, of Totton Roads Policing Unit, urged motorists to allow extra travel time.
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Det Ch Insp Martin Brunning said officers were treating the man's death as an "isolated incident".
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Det Ch Insp Ian Pollard said it showed him wearing glasses which significantly changed his appearance.
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"I sent numerous emails (to Greece) but they just did not respond, " said Det Insp Harris.
Insp Gary Ash said the operation was paying off with a number of arrests.
Insp Kevin Wilson said: "We have developed a multi-agency approach focussed on the most vulnerable".
Det Insp Arwyn Jones of North Wales Police said there was concern about Mr Davies' disappearance.
Ch Insp Crorken said conditions around where his body were found were "absolutely treacherous".
However, Det Ch Insp Lucy Robinson said the exact time of their deaths remained unclear.
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Insp Brian Macfarlane appealed for anyone who saw anything suspicious to contact the police.
North Belfast Area Commander, Ch Insp Andy Freeburn, described the attack as "reckless and callous".
Ch Insp Alex Goss reassured local residents there would be extra police patrols in the area.
Det Insp Adrian Gathercole said they are still looking for a "critical breakthrough" in the investigation.
Det Ch Insp Dave Andrews said the dispute happened at about 18:00 GMT on Tuesday.
Det Ch Insp Noel McHugh said the four men were "highly manipulative, evil and dangerous individuals".
Det Insp Mike Pirie said the case highlighted the lethal combination of knives and alcohol.
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Ch Insp Hughes said that the response from the public to date had been very positive.
Det Insp Ruth Dodsworth said the incident had been a "devastating experience" for the woman.
Det Ch Insp Dave Pester, from Greater Manchester Police, appealed for witnesses to come forward.
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"His family are ecstatic that he's alive and that he's well, " Insp Baker said.
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Det Insp Chris Wilson said they were both "still recovering from their terrifying ordeal".
Det Ch Insp Karen Baxter said the majority of such incidents were fuelled by alcohol.
Ch Insp Paul Moxley said police had brought in additional 4x4 vehicles across the county.
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Det Insp Louise Hemingway said a number of items had been sent off for testing.
Det Ch Insp Andy Bird described the Thames Valley Police investigation as "lengthy and complex".
"We need to trace his whereabouts since that day, " Det Ch Insp Barrett said.
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Det Insp Paul Burnside said it "is an issue which needs to be tackled".
"This has been an unusual summer with some tricky weather, " the RNLI's Insp Tom Mansell said.
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