Jack Shepherd has been charged with intentional suffocation, controlling and coercive behaviour, and criminal damage

Jack Shepherd, the man convicted of killing Charlotte Brown in a River Thames speedboat crash, now faces fresh criminal charges after allegedly attacking a new partner following his release from prison.

The 38-year-old has been charged with intentional suffocation, controlling and coercive behaviour, criminal damage and two counts of actual bodily harm, according to recently released Parole Board documents.

The alleged victim, referred to as Ms X, is a woman in her 50s who lived in the same building as Shepherd after his release from custody in 2024.

The pair began a relationship following Shepherd's release, but Parole Board documents reveal it deteriorated dramatically towards the end of 2024.

"Towards the end of 2024 the relationship with Mr Shepherd became violent and coercive on the part of Mr Shepherd," the documents read.

Ms X eventually reported the alleged abuse to police, leading to Shepherd's arrest on August 5 on suspicion of controlling, coercive and violent behaviour.

Her statement to officers detailed a series of alleged assaults in February, June and July 2025.

When interviewed by police, Shepherd submitted a prepared statement denying all of the allegations.

Shepherd's criminal history dates back to December 2015, when 24-year-old Charlotte Brown drowned after a first date with him ended in tragedy on the River Thames.

His trial heard he had been drunkenly showing off in a defective 14ft speedboat he bought to impress women, earning him the nickname "Captain Jack".

The vessel struck a submerged log and capsized, throwing Ms Brown into the freezing River Thames, where she drowned while Shepherd survived.

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Rather than face justice, Shepherd fled to Georgia and was convicted in his absence in July 2018 before being jailed for six years.

He later received a further four-year sentence for a glassing attack on a hotel barman in Devon.

Shepherd was released in January 2024 after serving half of his combined 10-year sentence.

Authorities revoked his licence and returned him to custody in September 2025 after he allegedly contacted Ms X in breach of his bail conditions and failed to comply with his evening curfew.

Those alleged breaches only emerged following the publication of the Parole Board documents.

At the time of his arrest in August, reports said he had been detained over allegations of coercive and controlling behaviour and assault.