A series of allegations made against Pc Simon Harwood in a period of 12 years, were ruled inadmissible as part of the trial.
Details of Harwood's personnel record were deemed inadmissible at both the inquest into his death and the manslaughter trial.
The coroner decided that it was not appropriate for the jury to hear this evidence because only one incident was proved.
In the criminal proceedings, Mr Justice Fulford ruled that the trial would become too complicated if details of the allegations were allowed in.
This was because, being unproven, prosecutors would have had to call evidence and witnesses linked to the allegations that they wished to include.