Dennis Oland's second-degree murder trial coverage: Oct. 6

The second-degree murder trial of Dennis Olandresumes on Tuesday morning in Saint Johnwith a fourth day of testimony from Sgt. Mark Smith.

Smith, thehead of the forensic identification unit, told the court Monday the Saint John Police Force gathered more than 564 pieces of evidence in the 2011 death of Richard Oland.

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Juror No.7 was discharged Monday after an association he had with someone involved in the case came to the attention of the court.

A minimum of 10 is required to deliver a verdict. Otherwise, a mistrial would bedeclared.

RichardOland'sbody was discovered lying face down in a pool of blood in his investment firmoffice on July 7, 2011.

Dennis Oland is the last known person to see his father alive.