Catherine Wynter
Black belt karate-teacher Tony Bushby has been found guilty of the murder of West Herts College student Catherine Wynter.
She was stabbed to death in Borehamwood on Boxing Day last year.
A jury at St Albans Crown Court found Bushby guilty of the murder today.
Judge Andrew Bright QC will sentence the teenager on Wednesday.
More to follow shortly.
More to follow.
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