Michael Beckett made the threat in a call to his probation officer while travelling on the M1 motorway on October 21 2025.

Appearing at Great Yarmouth Magistrates' Court, Beckett pleaded guilty to sending communication of an indecent and offensive nature.

Michael Beckett pictured leaving Great Yarmouth Magistrates' Court. (Image: Nelson Walker)

Ellen Connelly, prosecuting, said: "On October 21 the defendant placed a call to his probation officer and made a threat to knock his head off.

"This........

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