‘I was too late’: Celeste Manno’s mother emotional in court as she confronts stalker who stabbed 23-year-old to death

Luay Sako has pleaded guilty to murdering ex-colleague after a year-long campaign of harassment

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A mother has yelled at her daughter's killer in court, calling him a gutless coward and demanding he face up to the grief he has caused.

Luay Sako, 39, kept his head down and at times punched himself in the face as Celeste Manno's mother read a statement to the Victorian supreme court on Monday.