Lauren Mann murder: Gambian asylum seeker convicted of nanny's killing

American Nanny Found Dead in Austria

Note: The video above is from January 27, 2016.

MAINZ, Germany — An asylum seeker was convicted of murdering an American nanny and sentenced to life in prison on Wednesday.

Lauren Mann, a 25-year-old originally from Colorado, was found dead and half-naked in her apartment in the Austrian city of Vienna in January. An autopsy showed she died from suffocation.

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A Gambian national was arrested in connection with her death at a refugee camp in Switzerland near the Austrian border and charged with Mann's murder.

The suspect — who under Austrian law can only be identified as Abdou I. — had denied killing Mann, who had been living in Vienna for several years and working as an au pair while studying.

RELATED: Lauren Mann, nanny, found dead

Lauren Mann, nanny, found dead
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Lauren Mann, nanny, found dead
Photo courtesy: Facebook
Photo courtesy: Facebook
25-year-old American nanny found dead in Vienna; investigators treating case as homicide.
Strange death of the 25-year old nanny & Student Lauren Mann in Vienna. Pls. help the police
BREAKING UPDATE: 25-year-old nanny found dead in Austria has been identified as Lauren Mann from Colorado.

However, court spokesman Thomas Spreitzer told NBC News that the 24-year-old's sperm was found on Mann's body.

The prosecution had argued Abdou I. killed the American after finding her in bed with someone else, citing "jealousy" as the main motive.

An Austrian court convicted him of murder on Wednesday after a one-day trial. His lawyer immediately appealed the ruling.

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