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watch One-Minute World News Last Updated: Wednesday, 9 May 2007,
14:02 GMT 15:02 UK Perth girls get life for murder Map showing
location of Perth and Collie in Western Australia Two teenage
girls in Western Australia have been sentenced to life in prison
for killing a friend to see whether they would feel remorse at
the deed.  The girls, aged 16 at the time of the murder,
strangled Eliza Jane Davis then buried her under a house.  They
told police they knew it was wrong to kill but it "felt right",
and they did not regret Davis's death.  Perth Children's Court
president Denis Reynolds said the murder was "gruesome and
merciless in the extreme".  Shallow grave  The pair, who cannot
be named because of their age, killed 15-year-old Davis while
the three were staying at the same house in the coal-mining town
of Collie, south of Perth, on 18 June 2006.  They had been
discussing how neither would feel bad about committing murder
when they decided to kill