A 25-year-old man must spend at least 23 years behind bars after murdering his former partner at her home in Colchester.
Mark Czapla stabbed 23-year-old Kirsty Humphrey six times in a jealous rage in her lounge in Queen Elizabeth Way.
Czapla did not give evidence but a jury at Chelmsford Crown Court found him guilty.
The judge said he had shown his victim no mercy.
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Increasing cloud and rain overnight. Blustery and cold tomorrow.
Events are taking place in Cambridge, Norwich, Colchester, Southend and Lowestoft today, to mark Holocaust Memorial Day.
Cloud will increase through the day with rain arriving by dawn.