BATHGATE, UNITED KINGDOM - JUNE 04: Police divers search a pond near the fromer home of Peter Tobin in Bathgate June 4, 2007 in Bathgate, Scotland. The search begun this morning, as part of the police inquiry into the disappearance of Vicky Hamilton 16 years ago. (Photo by Jeff J Mitchell/Getty Images)

BATHGATE, UNITED KINGDOM - JUNE 04: Police divers search a pond near the fromer home of Peter Tobin in Bathgate June 4, 2007 in Bathgate, Scotland. The search begun this morning, as part of the police inquiry into the disappearance of Vicky Hamilton 16 years ago. (Photo by Jeff J Mitchell/Getty Images)

BATHGATE, UNITED KINGDOM - JUNE 04: Police divers search a pond near the fromer home of Peter Tobin in Bathgate June 4, 2007 in Bathgate, Scotland. (Photo by Jeff J Mitchell/Getty Images)

BATHGATE, UNITED KINGDOM - JUNE 04: Police forensic's remove floor coverings, from the former home of Peter Tobin on June 4, 2007 in Bathgate, Scotland. The search started this morning, as part of the police inquiry into the disappearance of Vicky Hamilton 16 years ago. (Photo by Jeff J Mitchell/Getty Images)

BATHGATE, UNITED KINGDOM - JUNE 04: Police forensic's remove floor coverings, from the former home of Peter Tobin on June 4, 2007 in Bathgate, Scotland. (Photo by Jeff J Mitchell/Getty Images)

BATHGATE, UNITED KINGDOM - JUNE 04: Police forensic's remove floor coverings, from the former home of Peter Tobin on June 4, 2007 in Bathgate, Scotland. (Photo by Jeff J Mitchell/Getty Images)

BATHGATE, UNITED KINGDOM - JUNE 04: Police forensic's remove floor coverings, from the former home of Peter Tobin on June 4, 2007 in Bathgate, Scotland. (Photo by Jeff J Mitchell/Getty Images)

BATHGATE, UNITED KINGDOM - JUNE 04: Removal men take furniture and equipment from the former home of Peter Tobin on June 4, 2007 in Bathgate, Scotland. A search begun this morning, as part of the police inquiry into the disappearance of Vicky Hamilton 16 years ago. (Photo by Jeff J Mitchell/Getty Images)

BATHGATE, UNITED KINGDOM - JUNE 04: Removal men take furniture and equipment from the former home of Peter Tobin on June 4, 2007 in Bathgate, Scotland. (Photo by Jeff J Mitchell/Getty Images)

BATHGATE, UNITED KINGDOM - JUNE 04: Police search a pond near the former home of Peter Tobin in Bathgate June 4, 2007 in Bathgate, Scotland. (Photo by Jeff J Mitchell/Getty Images)

BATHGATE, UNITED KINGDOM - JUNE 04: Police remove garden rubble, from the former
 home of Peter Tobin in Bathgate, on June 4, 2007 in Bathgate, Scotland.
(Photo by Jeff J Mitchell/Getty Images)

LINLITHGOW, UNITED KINGDOM - NOVEMBER 15: Michael Hamilton, the father of Vicky Hamilton, is held back by police as Peter Tobin, 61, is taken from Linlithgow Sheriff Court, after appearing in private November 15, 2007 in Linlithgow, Scotland. Tobin appeared at the court in connection with the murder of 15-year-old Vicky Hamilton, who went missing in 1991. (Photo by Jeff J Mitchell/Getty Images)

MARGATE, UNITED KINGDOM - NOVEMBER 15: Police vans are parked outside of a house in Margate where police continue their investigations on November 15, 2007 in Margate, England. Police are continuing searches at the Margate address where the remains of missing school girl Vicky Hamilton were found. Peter Tobin, 61, appeared in Linlithgow Sheriff Court earlier today in connection with the murder of Hamilton, who went missing in 1991. (Photo by Daniel Berehulak/Getty Images)

MARGATE, UNITED KINGDOM - NOVEMBER 15: Police vans are parked outside of a house in Margate where police continue their investigations on November 15, 2007 in Margate, England. Police are continuing searches at the Margate address where the remains of missing school girl Vicky Hamilton were found. (Photo by Daniel Berehulak/Getty Images)

LINLITHGOW, UNITED KINGDOM - NOVEMBER 15: Michael Hamilton, the father of Vicky Hamilton, is held back by police as Peter Tobin is taken from Linlithgow Sheriff Court, after appearing in private November 15, 2007 in Linlithgow, Scotland. Tobin appeared at the court in connection with the murder of 15-year-old Vicky Hamilton, who went missing in 1991. (Photo by Jeff J Mitchell/Getty Images)

LINLITHGOW, UNITED KINGDOM - NOVEMBER 15: Peter Tobin, 61, is taken from Linlithgow Sheriff Court, after appearing in private November 15, 2007 in Linlithgow, Scotland. Tobin appeared at the court in connection with the murder of 15-year-old Vicky Hamilton, who went missing in 1991. (Photo by Jeff J Mitchell/Getty Images)

LINLITHGOW, UNITED KINGDOM - NOVEMBER 15: Peter Tobin, 61, is taken from Linlithgow Sheriff Court, after appearing in private November 15, 2007 in Linlithgow, Scotland. Tobin appeared at the court in connection with the murder of 15-year-old Vicky Hamilton, who went missing in 1991. (Photo by Jeff J Mitchell/Getty Images)

LINLITHGOW, UNITED KINGDOM - NOVEMBER 15: Peter Tobin, 61, is taken from Linlithgow Sheriff Court, after appearing in private November 15, 2007 in Linlithgow, Scotland. Tobin appeared at the court in connection with the murder of 15-year-old Vicky Hamilton, who went missing in 1991. (Photo by Jeff J Mitchell/Getty Images)

MARGATE, UNITED KINGDOM - NOVEMBER 15: A police officer stands guard in front of a house where police continue their investigations on November 15, 2007 in Margate, England. Police are continuing searches at the Margate address where the remains of missing school girl Vicky Hamilton were found on Monday. Peter Tobin, 61, appeared in Linlithgow Sheriff Court earlier today in connection with the murder of Hamilton, who went missing in 1991. (Photo by Daniel Berehulak/Getty Images)

LINLITHGOW, UNITED KINGDOM - NOVEMBER 15: Michael Hamilton, the father of Vicky Hamilton, is held back by police as he attempts to block the van taking Peter Tobin, from Linlithgow Sheriff Court after he appeared in private November 15, 2007 in Linlithgow, Scotland. Tobin appeared at the court in connection with the murder of 15-year-old Vicky Hamilton, who went missing in 1991.
 (Photo by Jeff J Mitchell/Getty Images)