Serial killer Levi Bellfield has admitted the 2002 abduction, rape and murder of schoolgirl Milly Dowler for the first time, police say.
The former bouncer made the confession behind bars, where he is serving a whole-life term life for killing Milly and two other women. He denied killing Milly at his trial in 2011 but was found guilty.
Police have said they are reviewing "a number" of other crimes following Bellfield's confession.
Police are reviewing "a number" of other crimes following serial killer Levi Bellfield's shock confession to the murder of Milly Dowler.
The Metropolitan Police confirmed it was looking at new information relating to criminal investigations, but refused to give further details.
"The MPS is liaising with a number of other UK police forces in relation to information which has been passed on to us regarding a number of criminal investigations," a Scotland Yard spokesman said.
Bellfield, who was given a whole-life prison sentence in June 2011 for killing 13-year-old Milly, made the admission for the first time during an investigation into whether he had an accomplice.
At the time of his conviction, detectives said they believed Bellfield may have been responsible for around 20 attacks on women which were never solved.
Levi Bellfield has finally admitted killing the teenager more than a decade after she disappeared. Here's a look back at the key events.
The serial killer convicted of murdering teenager Milly Dowler had a history of violent attacks on women.
Bellfield was serving life behind bars for the abduction, rape and murder of the 13-year-old - but has only admitted his guilt now.